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Table 1.

Information on giant members of NGC 6866.

KIC ID KIC 8461659 KIC 8329894 KIC 8395903 KIC 8264549 KIC 7991875 KIC 8264592
Symbol in plots Cross Square Circle Triangle Star Diamond
Gaia DR3 ID 208189159- 207606690- 208207250- 207587768- 207586586- 207587709-
4650263424 1752525440 2978527488 2673012480 2922829056 8557450112
2MASS ID 20043730 20032282 20034631 20035516 20030966 20035769
+4425100 +4415502 +4422526 +4408242 +4346055 +4406276
RA (deg) 301.155417 300.845116 300.942946 300.979852 300.790240 300.990398
Dec (deg) 44.419404 44.263915 44.381256 44.140023 43.768202 44.107644
KS (mag) 8.760(16) 9.14(16) 9.166(14) 9.235(18) 8.931(16) 9.351(16)
G (mag) 11.287534 11.302372 11.438034 11.360455 11.102879 11.447467
G − KS (mag) 2.53 2.157 2.272 2.125 2.172 2.096
GBP − GRP DR3 1.4409981 1.2247219 1.2931328 1.1832037 1.2294884 1.1834383
RV (km s−1) 12.3 12.2 12.6 14.2 12.7 13.5
pmra (mas yr−1) –1.348(12) –1.163(14) –1.335(13) –1.227(33) –1.316(17) –1.177(13)
pmdec (mas yr−1) –5.848(12) –5.728(13) –5.905(13) –5.742(32) –5.855(16) –6.141(13)
Gaia DR3 parallax (mas) 0.682(11) 0.652(12) 0.700(11) 0.677(29) 0.659(13) 0.661(11)
ν_eff 1.4282342 1.4545882 1.4765111 1.4668154 1.476384
pseudocolour 1.4647219
npar 5 6 5 5 5 5
ecl_lat (deg) 62.285942 62.244026 62.318716 62.090355 61.814700 62.057926
RUWE 0.8569876 0.99588126 0.85863876 2.0729961 0.90071553 0.842494
Parallax corr. (mas) –0.02964 –0.03021 –0.03256 –0.03461 –0.03004 –0.03490
Distance (pc) 1405 1466 1365 1405 1451 1437
(m − M)0 (mag) 10.74 10.83 10.68 10.74 10.81 10.79
P_mem (a) 0.4 0.9 0.7 0.6 0.3

Teff (K) (b) 5044 5114 5104 5201
Teff (K) (c) 5045 -
Teff (K) (d) 5032 5069
Teff (K) (e) 4983 5052 4969
Teff (K) (f) 4998 5052 5052 5052 5037
Teff (K) (g) 5092 5106 5126
Teff from DR3 GBP − GRP (K) (h) 4864 5091 5037 5106 5078 4975
Teff from G − KS (K) (i) 4978 5157 5120 5112 5137 5037
Teff (K) (j) 5044 5096 5101 5117 5105
[M/H] (j) +0.021 +0.027 −0.011 +0.021 +0.021
[C/N] (j) −0.636 −0.522 −0.535 −0.608 −0.561

E(B − V) calculated (k) 0.294 0.139 0.193 0.132 0.127 0.114
E(B − V) Green (l)
E(B − V) from NaD-lines (m) 0.12(2) 0.24(3) 0.12(1)
E(B − V) Lallement (n) 0.173(35) 0.166(36) 0.161(34) 0.156(34) 0.160(34) 0.160(33)
BCG (mag) –0.020 0.012 0.007 0.012 0.006 –0.004
BCKS (mag) 1.933 1.841 1.857 1.841 1.861 1.891
L(L) from KS 94.4(3.5) 70.4(2.9) 61.1(2.2) 60.1(5.1) 81.3(3.5) 55.7(2.1)
R(R) SB 12.72(56) 10.76(47) 10.01(43) 9.86(57) 11.81(53) 9.55(41)

Notes.

(b)

LAMOST DR5, Zhong et al. (2020).

(h)

Adopting E(B − V) and requiring bolometric corrections from Casagrande & VandenBerg (2018) to reproduce observed colour. [Fe/H] = +0.0 and log g = 2.7 was assumed. A change of ±0.1 dex in [Fe/H] corresponds to ±17 K, a change of ±0.1 in log g yields ±3 K, and ±0.03 in E(B − V) gives about ±80 K.

(i)

As (h), but also using Casagrande & VandenBerg (2014).

(k)

Calculated by assuming APOGEE Teffs from (j) and requiring bolometric corrections from Casagrande & VandenBerg (2018, 2014) to yield the observed G − KS.

(l)

From Bayestar2019 E(g − r), assuming a mean of the two conversion factors 0.884 and 0.996 given in Green et al. (2019). AG = 2.74 × E(B − V) Casagrande & VandenBerg (2018). AKS = 0.366 × E(B − V) Casagrande & VandenBerg (2014).

(m)

Using Munari & Zwitter (1997) and spectra from FIES at the Nordic Optical Telescope.

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