Open Access

Table B.1

Optical spectroscopic follow-up summary of eRO-ExTra catalog.

ERO_NAME RA DEC Redshift Date Telescope Instrument
eRASSU J001308.6-462524 3.2844 −46.4220 0.198 2022-07-03 La Silla/NTT EFOSC2
1eRASS J004058.3-683816 10.2434 −68.6388 0.151 2023-12-25 La Silla/NTT EFOSC2
eRASSU J011430.8-593654 18.6292 −59.6156 0.156 2020-12-12 Las Campanas/Baade IMACS
1eRASS J014133.4-443413 25.3891 −44.5706 0.091 2021-12-06 La Silla/NTT EFOSC2
1eRASS J015752.7-520716 29.4716 −52.1208 0.499 2023-12-23 La Silla/NTT EFOSC2
1eRASS J022756.0-840730 36.9827 −84.1246 0.102 2022-12-31 Siding Spring/LCO FLOYDS
1eRASS J024140.3-422435 40.4171 −42.4102 0.214 2023-02-03 La Silla/NTT EFOSC2
1eRASS J024930.1-274958 42.3771 −27.8327 0.089 2023-12-23 La Silla/NTT EFOSC2
eRASSU J030334.1-544438 45.8917 −54.7442 0.091 2020-10-14 Sutherland/SALT RSS
eRASSU J034425.8-332719 56.1084 −33.4553 0.092 2020-08-22 Siding Spring/ANU 2.3m WiFeS
eRASSU J040131.8-512541 60.3834 −51.4278 0.088 2020-09-07 Sutherland/SALT RSS
1eRASS J042703.1-261156 66.7628 −26.1968 0.173 2023-12-25 La Silla/NTT EFOSC2
1eRASS J043541.5-702302 68.9224 −70.3840 0.067 2023-12-23 La Silla/NTT EFOSC2
1eRASS J043959.6-651403 69.9985 −65.2342 0.152 2023-12-24 La Silla/NTT EFOSC2
1eRASS J045816.7-425956 74.5698 −42.9991 0.146 2023-12-23 La Silla/NTT EFOSC2
1eRASS J051041.0-384512 77.6701 −38.7533 0.088 2022-12-10 Siding Spring/LCO FLOYDS
1eRASS J051902.9-512630 79.7624 −51.4424 0.106 2023-02-02 La Silla/NTT EFOSC2
1eRASS J052001.1-561254 80.0066 −56.2151 0.095 2023-02-02 La Silla/NTT EFOSC2
1eRASS J053952.9-272523 84.9711 −27.4215 0.231 2023-02-03 La Silla/NTT EFOSC2
1eRASS J054236.2-591856 85.6504 −59.3154 0.1 2023-12-25 La Silla/NTT EFOSC2
1eRASS J055648.8-211921 89.2050 −21.3207 0.050 2023-02-04 La Silla/NTT EFOSC2
1eRASS J055701.1-451409 89.2556 −45.2360 0.248 2023-12-24 La Silla/NTT EFOSC2
eRASSU J060829.4-435320 92.1226 −43.8892 0.076 2022-11-28 Siding Spring/LCO FLOYDS
eRASSU J063413.3-713908 98.5558 −71.6518 0.134 2021-03-28 La Silla/NTT EFOSC2
eRASSU J064402.2-574247 101.0098 −57.7123 0.207 2023-02-03 La Silla/NTT EFOSC2
1eRASS J064449.4-603704 101.2052 −60.6178 0.115 2023-04-03 La Silla/NTT EFOSC2
1eRASS J065708.6-682354 104.2875 −68.3975 0.097 2023-12-24 La Silla/NTT EFOSC2
1eRASS J071217.2-703056 108.0719 −70.5160 0.037 2023-12-25 La Silla/NTT EFOSC2
eRASSt J074426.3+291606 116.1089 29.2688 0.039 2021-03-31 La Silla/NTT EFOSC2
1eRASS J075031.8+093330 117.6331 9.5588 0.060 2023-12-24 La Silla/NTT EFOSC2
1eRASS J080622.8+070247 121.5952 7.0468 0.053 2023-02-02 La Silla/NTT EFOSC2
eRASSU J082055.8+192538 125.2324 19.4270 0.124 2023-04-02 La Silla/NTT EFOSC2
1eRASS J082336.8+042303 125.9042 4.3842 0.028 2021-02-18 Siding Spring/ANU 2.3m WiFeS
1eRASS J083748.4-062335 129.4516 −6.3937 0.094 2023-12-23 La Silla/NTT EFOSC2
1eRASS J091657.8+060955 139.2407 6.1659 0.091 2021-12-10 La Silla/NTT EFOSC2
1eRASS J093546.2-835823 143.9404 −83.9732 0.100 2023-02-04 La Silla/NTT EFOSC2
1eRASS J103656.4-144922 159.2351 −14.8228 0.076 2023-04-04 La Silla/NTT EFOSC2
1eRASS J110936.6-083725 167.4021 −8.6241 0.24 2023-04-02 La Silla/NTT EFOSC2
1eRASS J121115.1-223501 182.8138 −22.5835 0.084 2023-02-03 La Silla/NTT EFOSC2
1eRASS J122529.2-215250 186.3716 −21.8800 0.034 2023-02-02 La Silla/NTT EFOSC2
1eRASS J130804.7+040128 197.0196 4.0246 0.164 2023-02-03 La Silla/NTT EFOSC2
1eRASS J142140.3-295325 215.4210 −29.8880 0.058 2021-03-29 La Silla/NTT EFOSC2
1eRASS J143308.1-772938 218.2832 −77.4949 0.102 2023-02-04 La Silla/NTT EFOSC2
1eRASS J143915.1-270227 219.8133 −27.0413 0.065 2023-02-04 La Silla/NTT EFOSC2
eRASSU J145622.8-283853 224.0958 −28.6487 0.093 2021-02-18 Siding Spring/ANU 2.3m WiFeS
eRASSU J145954.5-260822 224.9780 −26.1409 0.090 2023-04-02 La Silla/NTT EFOSC2
eRASSU J164649.4-692539 251.7043 −69.4272 0.016 2021-06-05 Siding Spring/ANU 2.3m WiFeS
1eRASS J190146.6-552200 285.4461 −55.3661 0.059 2021-03-27 La Silla/NTT EFOSC2
1eRASS J192128.0-502746 290.3667 −50.4651 0.056 2021-03-31 La Silla/NTT EFOSC2
1eRASS J201206.8-442838 303.0293 −44.4783 0.119 2021-06-05 Siding Spring/ANU 2.3m WiFeS
1eRASS J231004.4-453925 347.5210 −45.6575 0.056 2020-08-25 Siding Spring/ANU 2.3m WiFeS
eRASSt J234403.1-352640 356.0126 −35.4450 0.1 2021-05-05 Siding Spring/ANU 2.3m WiFeS

Notes. RA and DEC are coordinates of the optical counterpart [deg].

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