Table 2:
2MASS photometry and spectral types for our sample. Names and
scan numbers are from Gioia et al. (2003).
| Name |
Scan |
RA(J2000) |
Dec(J2000) |
J |
H |
K |
Sp. |
Note |
| |
|
(h m s) |
 |
|
|
|
|
|
| RX J1715.6+6856 |
1240 |
17 15 41.7 |
+68 56 43 |
|
|
|
Be |
G |
| RX J1715.6+6231 |
1241 |
17 15 42.3 |
+62 31 27 |
10.954 |
10.564 |
10.474 |
G5 |
G |
| RX J1718.3+6754 |
1350 |
17 18 19.6 |
+67 54 17 |
12.078 |
11.425 |
11.279 |
M3e |
G |
| RX J1719.0+6852 |
1400 |
17 19 00.9 |
+68 52 32 |
11.273 |
10.686 |
10.441 |
M3 |
N |
| RX J1719.4+6522 |
1420 |
17 19 28.8 |
+65 22 29 |
10.034 |
9.602 |
9.516 |
K0 |
N |
| RX J1720.0+6206 |
1441 |
17 20 05.6 |
+62 06 22 |
7.973 |
7.633 |
7.571 |
G2 |
N |
| RX J1720.4+6703 |
1470 |
17 20 26.7 |
+67 03 37 |
8.752 |
8.383 |
8.317 |
G8 |
N |
| RX J1721.1+6947 |
1500 |
17 21 10.9 |
+69 48 02 |
6.117 |
5.746 |
5.682 |
G2 |
N |
| RX J1721.7+6200 |
1511 |
17 21 42.5 |
+62 00 32 |
9.555 |
9.054 |
8.921 |
K4 |
N |
| RX J1723.3+6333 |
1541 |
17 23 17.9 |
+63 33 26 |
11.286 |
10.681 |
10.488 |
M4e |
G |
| RX J1724.0+6940 |
1580 |
17 24 00.4 |
+69 40 30 |
10.102 |
9.716 |
9.602 |
K2 |
N |
| RX J1724.4+6412 |
1600 |
17 24 26.8 |
+64 12 23 |
9.167 |
8.854 |
8.794 |
G2 |
N |
| RX J1724.6+6440 |
1601 |
17 24 38.8 |
+64 40 51 |
8.918 |
8.623 |
8.582 |
G0 |
N |
| RX J1726.7+6937 |
1690 |
17 26 45.4 |
+69 37 53 |
9.778 |
9.530 |
9.494 |
G2 |
N |
| RX J1727.9+6210 |
1741 |
17 27 56.6 |
+62 10 54 |
|
|
|
K |
G |
| RX J1729.0+6529 |
1781 |
17 29 00.2 |
+65 29 52 |
11.516 |
11.004 |
10.889 |
K2 |
G |
| RX J1729.6+6847 |
1800 |
17 29 39.4 |
+68 47 38 |
8.335 |
8.168 |
8.147 |
F5 |
N |
| RX J1729.7+6737 |
1810 |
17 29 46.1 |
+67 38 13 |
|
|
|
M6 |
G |
| RX J1730.1+6247 |
1820 |
17 30 08.4 |
+62 47 55 |
15.284 |
15.189 |
15.217 |
CV |
G |
| RX J1730.3+6955 |
1840 |
17 30 19.9 |
+69 55 27 |
8.913 |
8.635 |
8.498 |
G0 |
N |
| RX J1733.2+6712 |
1960 |
17 33 16.9 |
+67 12 08 |
6.836 |
6.672 |
6.627 |
F2 |
S |
| RX J1736.2+6502 |
2050 |
17 36 14.1 |
+65 02 27 |
9.099 |
8.561 |
8.414 |
K0 |
S |
| RX J1736.4+6820 |
2100 |
17 36 26.6 |
+68 20 37 |
5.335 |
4.766 |
4.548 |
M3 |
S |
| RX J1736.9+6845 |
2130 |
17 36 57.0 |
+68 45 12 |
3.826 |
3.696 |
3.620 |
F5 |
S |
| RX J1738.0+6653 |
2132 |
17 38 02.3 |
+66 53 47 |
15.303 |
15.604 |
15.454 |
PN |
G |
| RX J1738.0+6314 |
2150 |
17 38 01.3 |
+63 14 22 |
10.044 |
9.526 |
9.353 |
K5e |
N |
| RX J1738.0+6509 |
2170 |
17 38 04.4 |
+65 09 32 |
10.566 |
9.993 |
9.734 |
M4e |
G |
| RX J1739.2+7020 |
2210 |
17 39 16.1 |
+70 20 09 |
8.047 |
7.809 |
7.763 |
F8 |
S |
| RX J1739.9+6500 |
2250 |
17 39 56.1 |
+65 00 04 |
6.767 |
6.302 |
6.190 |
K0 |
S |
| RX J1740.7+6255 |
2290 |
17 40 44.6 |
+62 55 12 |
10.804 |
10.129 |
9.965 |
M0e |
N |
| RX J1742.4+6907 |
2360 |
17 42 26.5 |
+69 07 58 |
7.526 |
7.298 |
7.247 |
F8 |
N |
| RX J1742.5+6709 |
2370 |
17 42 33.8 |
+67 09 23 |
10.457 |
9.978 |
9.833 |
K3 |
N |
| RX J1743.0+6606 |
2400 |
17 43 01.6 |
+66 06 46 |
8.519 |
8.206 |
8.145 |
G2 |
N |
| RX J1743.8+7031 |
2470 |
17 43 51.7 |
+70 31 39 |
9.516 |
9.324 |
9.264 |
F3 |
N |
| RX J1744.0+7015 |
2480 |
17 44 00.6 |
+70 15 27 |
9.458 |
9.041 |
8.927 |
K0 |
N |
| RX J1744.5+6316 |
2510 |
17 44 32.3 |
+63 16 33 |
12.913 |
12.499 |
12.466 |
G2 |
G |
| RX J1745.2+6609 |
2551 |
17 45 12.1 |
+66 09 41 |
11.957 |
11.319 |
11.140 |
M4e |
G |
| RX J1745.4+6918 |
2580 |
17 45 24.5 |
+69 18 21 |
10.243 |
9.678 |
9.540 |
K4 |
N |
| RX J1745.6+6543 |
2600 |
17 45 41.3 |
+65 43 49 |
11.517 |
10.970 |
10.837 |
K7e |
N |
| RX J1746.2+6627 |
2740 |
17 46 15.1 |
+66 27 48 |
11.511 |
10.899 |
10.763 |
K3e |
G |
| RX J1746.7+7047 |
2780 |
17 46 44.8 |
+70 47 03 |
10.757 |
10.103 |
9.963 |
M3e |
G |
| RX J1748.4+6335 |
2920 |
17 48 29.3 |
+63 35 51 |
15.680 |
15.136 |
14.948 |
K |
G,N |
| RX J1748.5+6308 |
2931 |
17 48 33.7 |
+63 08 45 |
11.224 |
10.829 |
10.753 |
G2 |
G |
| RX J1749.0+6247 |
2970 |
17 49 03.9 |
+62 47 48 |
5.932 |
5.809 |
5.754 |
F2 |
S |
| RX J1749.3+6737 |
2990 |
17 49 18.0 |
+67 37 29 |
11.503 |
11.030 |
10.864 |
K5e |
N |
| RX J1749.9+6611 |
3040 |
17 49 55.9 |
+66 11 08 |
12.099 |
11.474 |
11.298 |
M0e |
G,N |
| RX J1750.2+6207 |
3070 |
17 50 15.0 |
+62 07 56 |
10.066 |
9.657 |
9.522 |
K4 |
G,N |
| RX J1750.4+7045 |
3080 |
17 50 25.3 |
+70 45 36 |
7.704 |
7.120 |
6.961 |
K2.5 |
S |
| RX J1751.8+6414 |
3161 |
17 51 49.2 |
+64 15 01 |
10.679 |
10.195 |
10.062 |
K4-5 |
G |
| RX J1752.7+6700 |
20 |
17 52 44.8 |
+67 00 20 |
8.571 |
8.130 |
8.034 |
G8+F6+F0 |
N |
| RX J1752.7+6738 |
30 |
17 52 44.6 |
+67 38 31 |
10.563 |
10.113 |
9.983 |
K4 |
N |
| RX J1752.7+6804 |
31 |
17 52 45.6 |
+68 05 00 |
|
|
|
M3 |
G |
| RX J1752.9+6625 |
3220 |
17 52 56.0 |
+66 25 10 |
6.103 |
5.671 |
5.566 |
K0 |
S |
| RX J1753.8+6852 |
3270 |
17 53 51.5 |
+68 52 28 |
10.746 |
10.149 |
10.077 |
K0 |
G |
| RX J1754.1+6948 |
3310 |
17 54 07.8 |
+69 48 26 |
10.894 |
10.591 |
10.492 |
G5 |
G |
| RX J1756.2+6807 |
3500 |
17 56 14.0 |
+68 07 09 |
10.481 |
9.888 |
9.775 |
M0e |
N |
| RX J1757.0+6849 |
3560 |
17 57 03.7 |
+68 49 14 |
7.733 |
7.423 |
7.361 |
G8 |
N |
| RX J1757.2+6547 |
190 |
17 57 14.3 |
+65 46 58 |
11.991 |
11.304 |
11.110 |
M3e |
G,N |
| RX J1758.0+6409 |
3610 |
17 58 01.4 |
+64 09 34 |
8.365 |
7.859 |
7.737 |
K4 |
N |
| RX J1758.3+6735 |
240 |
17 58 18.9 |
+67 35 15 |
12.979 |
12.374 |
12.071 |
M4e |
G,N |
| RX J1758.4+6726 |
260 |
17 58 28.3 |
+67 26 08 |
9.327 |
9.069 |
9.005 |
G2 |
N |
| RX J1758.7+6350 |
3690 |
17 58 48.0 |
+63 50 39 |
8.107 |
8.022 |
7.980 |
A2 |
S |
| RX J1758.9+6211 |
281 |
17 58 54.1 |
+62 11 24 |
15.973 |
15.455 |
14.996 |
M2 |
G |
| RX J1759.2+6408 |
3710 |
17 59 13.8 |
+64 08 33 |
6.480 |
6.323 |
6.315 |
F2 |
S |
| RX J1759.3+6602 |
330 |
17 59 23.6 |
+66 02 55 |
8.699 |
8.215 |
8.114 |
G9 |
N |
| RX J1800.0+6645 |
370 |
18 00 02.2 |
+66 45 53 |
9.711 |
9.460 |
9.375 |
F8 |
N |
| RX J1800.1+6835 |
3790 |
18 00 10.0 |
+68 35 56 |
15.501 |
15.930 |
15.443 |
WD |
S |
| RX J1800.3+6349 |
3800 |
18 00 24.3 |
+63 49 53 |
10.417 |
9.819 |
9.616 |
M0 |
G |
| RX J1800.9+6600 |
470 |
18 00 57.4 |
+66 00 56 |
11.780 |
11.211 |
11.104 |
K4 |
G |
| RX J1801.3+6654 |
500 |
18 01 21.9 |
+66 54 04 |
10.049 |
9.522 |
9.395 |
K3+K4 |
N |
| RX J1801.4+6800 |
501 |
18 01 26.7 |
+68 00 30 |
11.849 |
11.291 |
11.166 |
K5e |
N |
| RX J1802.2+6415 |
3900 |
18 02 15.2 |
+64 16 03 |
8.541 |
7.962 |
7.652 |
M4e |
N |
| RX J1803.0+6445 |
3970 |
18 03 05.8 |
+64 45 29 |
11.328 |
10.690 |
10.490 |
M4/5 |
G |
| RX J1803.4+6437 |
3990 |
18 03 33.6 |
+64 37 47 |
11.713 |
11.098 |
10.797 |
G2 |
G |
| RX J1804.2+6754 |
680 |
18 04 14.0 |
+67 54 11 |
12.882 |
12.265 |
12.060 |
CV |
S |
| RX J1804.3+6629 |
700 |
18 04 24.7 |
+66 29 28 |
16.117 |
15.309 |
15.596 |
Hot SD |
G |
| RX J1804.5+6429 |
4010 |
18 04 32.9 |
+64 29 03 |
10.810 |
10.203 |
9.935 |
M8 |
G |
| RX J1804.6+6528 |
4121 |
18 04 38.6 |
+65 28 58 |
11.614 |
11.265 |
11.133 |
K4 |
G |
| RX J1805.1+6353 |
4060 |
18 05 08.4 |
+63 53 35 |
11.650 |
11.039 |
10.849 |
M2e |
G |
| RX J1805.5+6945 |
4090 |
18 05 30.5 |
+69 45 17 |
9.534 |
9.251 |
9.143 |
G2 |
G |
| RX J1805.5+6219 |
4100 |
18 05 30.3 |
+62 19 03 |
6.536 |
6.167 |
6.044 |
K0 |
S |
| RX J1805.7+6551 |
4130 |
18 05 44.8 |
+65 51 58 |
8.494 |
8.308 |
8.240 |
F5 |
S |
| RX J1806.3+6524 |
4160 |
18 06 21.8 |
+65 24 06 |
11.867 |
11.334 |
11.222 |
K4 |
G |
| RX J1806.6+6413 |
4180 |
18 06 41.0 |
+64 13 18 |
4.980 |
4.435 |
4.364 |
K0 |
S |
| RX J1806.7+6822 |
4190 |
18 06 43.6 |
+68 22 01 |
9.685 |
9.064 |
8.845 |
M4e |
N |
| RX J1806.7+6626 |
750 |
18 06 47.0 |
+66 26 07 |
16.511 |
16.119 |
15.136 |
M0 |
G |
| RX J1807.0+6643 |
4211 |
18 06 58.2 |
+66 43 30 |
16.610 |
15.936 |
15.703 |
K5 |
G |
| RX J1807.3+6635 |
4240 |
18 07 19.9 |
+66 35 29 |
10.535 |
9.995 |
9.855 |
K5e |
N |
| RX J1807.6+6829 |
4260 |
18 07 39.7 |
+68 29 22 |
10.922 |
10.472 |
10.350 |
K4 |
G |
| RX J1808.4+6437 |
4281 |
18 08 23.7 |
+64 37 12 |
11.254 |
10.642 |
10.487 |
M0e |
G |
| RX J1808.5+6643 |
4310 |
18 08 35.3 |
+66 43 22 |
11.930 |
11.394 |
11.270 |
K4e |
N |
| RX J1808.6+6735 |
4350 |
18 08 41.6 |
+67 36 00 |
10.282 |
9.768 |
9.675 |
K2 |
G |
| RX J1808.7+6256 |
4380 |
18 08 45.4 |
+62 56 37 |
7.082 |
6.708 |
6.619 |
G5 |
S |
| RX J1809.9+6940 |
4470 |
18 09 55.8 |
+69 40 39 |
6.872 |
6.455 |
6.326 |
K3 |
N |
| RX J1810.1+6728 |
4500 |
18 10 08.0 |
+67 28 35 |
10.452 |
10.040 |
9.973 |
K0 |
N |
| RX J1810.8+7016 |
4530 |
18 10 49.9 |
+70 16 09 |
9.183 |
8.810 |
8.679 |
G9 |
G |
| RX J1811.3+6314 |
4570 |
18 11 21.5 |
+63 14 49 |
11.447 |
11.130 |
11.021 |
K0 |
N |
| RX J1812.7+6533 |
4650 |
18 12 44.6 |
+65 33 49 |
10.131 |
9.680 |
9.567 |
K2 |
N |
| RX J1812.8+6946 |
4660 |
18 12 54.3 |
+69 46 23 |
12.502 |
11.906 |
11.667 |
M4 |
G |
| RX J1813.7+6628 |
4750 |
18 13 47.0 |
+66 28 59 |
16.191 |
15.474 |
14.983 |
M2 |
N |
| RX J1813.7+6707 |
4770 |
18 13 45.9 |
+67 07 41 |
12.275 |
11.771 |
11.647 |
K2e+K2 |
G |
| RX J1813.8+6831 |
4780 |
18 13 48.6 |
+68 31 32 |
8.882 |
8.310 |
8.177 |
K2 |
N |
| RX J1813.8+6423 |
4810 |
18 13 51.4 |
+64 23 57 |
4.203 |
4.059 |
3.944 |
F5 |
S |
| RX J1816.2+6529 |
4931 |
18 16 21.2 |
+65 29 39 |
5.500 |
4.726 |
4.513 |
K8 |
N |
| RX J1816.5+6547 |
4960 |
18 16 32.3 |
+65 47 02 |
12.263 |
11.646 |
11.529 |
K4e |
G |
| RX J1816.8+6504 |
4970 |
18 16 49.7 |
+65 04 26 |
9.130 |
8.669 |
8.544 |
K2 |
N |
| RX J1816.9+6449 |
4980 |
18 16 58.6 |
+64 49 34 |
11.256 |
11.017 |
10.952 |
G2 |
N |
| RX J1818.5+7042 |
5060 |
18 18 31.9 |
+70 42 17 |
8.816 |
8.424 |
8.418 |
G5 |
S |
| RX J1818.9+6611 |
5090 |
18 18 53.7 |
+66 11 54 |
8.740 |
8.264 |
7.948 |
M5e |
G |
| RX J1819.9+6636 |
5170 |
18 19 53.8 |
+66 36 19 |
12.932 |
12.605 |
12.532 |
G4 |
G |
| RX J1820.3+6519 |
5220 |
18 20 19.2 |
+65 19 19 |
6.967 |
6.772 |
6.712 |
F8 |
S |
| RX J1821.3+6559 |
5280 |
18 21 25.0 |
+65 59 31 |
10.037 |
9.386 |
9.201 |
M3e |
G |
| RX J1821.7+6357 |
5320 |
18 21 46.8 |
+63 57 10 |
8.373 |
8.052 |
7.988 |
K0 |
N |
| RX J1823.1+6533 |
5380 |
18 23 06.8 |
+65 33 14 |
9.019 |
9.028 |
8.996 |
A2 |
G |
| RX J1823.4+6257 |
5410 |
18 23 26.7 |
+62 57 18 |
11.367 |
10.943 |
10.892 |
G5+K3/4 |
N |
| RX J1824.5+6349 |
5480 |
18 24 29.6 |
+63 49 37 |
12.882 |
12.637 |
12.571 |
M0 |
G |
| RX J1824.7+6509 |
5500 |
18 24 47.3 |
+65 09 25 |
15.518 |
14.741 |
13.611 |
AGN |
N |
| RX J1825.1+6450 |
5510 |
18 25 09.0 |
+64 50 21 |
5.052 |
4.743 |
4.362 |
K4 |
G,N |
| RX J1825.5+6234 |
5520 |
18 25 32.9 |
+62 34 15 |
8.394 |
7.896 |
7.721 |
K4e |
N |
| RX J1827.9+6235 |
5600 |
18 27 57.0 |
+62 35 41 |
10.584 |
9.916 |
9.728 |
M0e |
G |
| RX J1828.5+6322 |
5660 |
18 28 32.2 |
+63 21 59 |
11.295 |
10.858 |
10.751 |
K4 |
G, N |
| RX J1829.3+6409 |
5710 |
18 29 17.6 |
+64 09 17 |
13.078 |
12.753 |
12.497 |
M3e+M3 |
G, N |
| RX J1829.3+6751 |
5711 |
18 29 20.6 |
+67 51 33 |
11.948 |
11.456 |
11.354 |
K4e |
G |
| RX J1829.5+6905 |
5730 |
18 29 31.7 |
+69 05 13 |
10.621 |
10.152 |
10.036 |
G5 |
G |
| RX J1829.7+6435 |
5760 |
18 29 46.1 |
+64 35 20 |
10.893 |
10.691 |
10.645 |
F8+K1 |
G, N |
| RX J1831.1+6214 |
5840 |
18 31 04.5 |
+62 14 39 |
11.749 |
11.495 |
11.444 |
F8 |
N |
| RX J1831.3+6454 |
5860 |
18 31 21.7 |
+64 54 11 |
9.360 |
8.796 |
8.533 |
M4e |
G |
| RX J1831.7+6511 |
5880 |
18 31 44.4 |
+65 11 32 |
15.678 |
15.144 |
14.960 |
Be |
G |
| RX J1832.0+7002 |
5910 |
18 32 03.9 |
+70 02 41 |
9.792 |
9.153 |
8.773 |
M2e+M3 |
N |
| RX J1832.5+6836 |
5950 |
18 32 29.5 |
+68 36 52 |
6.590 |
6.394 |
6.353 |
G0 |
N |
| RX J1833.5+6431 |
5992 |
18 33 29.2 |
+64 31 54 |
14.098 |
13.516 |
13.241 |
M2e |
G |
| RX J1833.6+6259 |
6010 |
18 33 38.2 |
+62 59 26 |
10.406 |
10.053 |
9.991 |
F8 |
G |
| RX J1833.8+6513 |
6030 |
18 33 47.8 |
+65 13 33 |
7.710 |
7.247 |
7.124 |
K3 |
N |
| RX J1834.1+6438 |
6060 |
18 34 08.2 |
+64 38 25 |
11.441 |
10.865 |
10.539 |
M5e |
G |
| RX J1834.5+6931 |
6051 |
18 34 33.6 |
+69 31 45 |
10.079 |
9.630 |
9.533 |
G5 |
G |
| RX J1835.8+6446 |
6140 |
18 35 50.7 |
+64 46 07 |
11.634 |
10.985 |
10.756 |
M6 |
G |
| RX J1835.9+6336 |
6150 |
18 35 53.7 |
+63 36 53 |
14.707 |
14.328 |
14.322 |
G5 |
G, N |
| RX J1836.2+6529 |
6160 |
18 36 13.5 |
+65 29 15 |
5.426 |
5.396 |
5.314 |
F0 |
S |
| RX J1836.3+6654 |
6163 |
18 36 22.8 |
+66 54 54 |
6.403 |
6.140 |
6.092 |
G3 |
S |
| RX J1836.9+6747 |
6210 |
18 36 55.7 |
+67 47 09 |
11.137 |
10.784 |
10.718 |
F6 |
G |
| RX J1837.5+6231 |
6240 |
18 37 33.6 |
+62 31 31 |
5.725 |
5.773 |
5.753 |
A0 |
S |
| RX J1839.4+6903 |
6350 |
18 39 25.4 |
+69 02 54 |
8.533 |
7.881 |
7.676 |
M3e |
N |
| RX J1839.8+6537 |
6370 |
18 39 47.5 |
+65 37 59 |
10.409 |
10.055 |
9.959 |
K3 |
N |
| RX J1840.5+6521 |
6390 |
18 40 33.6 |
+65 21 37 |
11.319 |
10.676 |
10.541 |
M0e |
G |
| RX J1840.7+7038 |
6400 |
18 40 44.4 |
+70 38 47 |
8.043 |
7.669 |
7.563 |
K2 |
N |
| RX J1840.9+6245 |
6410 |
18 40 56.6 |
+62 44 54 |
4.645 |
4.139 |
4.061 |
K0III |
S |
| RX J1840.9+6528 |
6420 |
18 40 58.6 |
+65 28 34 |
11.764 |
11.095 |
10.915 |
K7e |
G |
| RX J1841.9+6316 |
6451 |
18 41 57.8 |
+63 16 26 |
9.998 |
9.436 |
9.234 |
M4e |
G |
| RX J1843.2+6956 |
6510 |
18 43 12.6 |
+69 55 54 |
8.585 |
8.376 |
8.334 |
F0 |
S |
| RX J1843.7+6514 |
6530 |
18 43 46.0 |
+65 14 08 |
10.367 |
9.713 |
9.531 |
M2e |
N |
| RX J1844.2+6719 |
6541 |
18 44 14.6 |
+67 19 33 |
11.585 |
10.947 |
10.703 |
M5e |
G |
| RX J1844.6+6338 |
6545 |
18 44 39.1 |
+63 38 28 |
10.851 |
10.509 |
10.441 |
G2 |
G |
Discarded from the sample of "normal stars''.
Notes: S (Spectral type from SIMBAD), G (Spectra from Gioia et al.
2003), N (Spectra obtained in this work with the NOT telescope.
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