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Gaia Data Release 3
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Table 6.

A few illustrative examples of ellipsoidal variables (Plpv/Pnss = 0.5) mistaken as LPVs in the vari_long_period_variable table, LPVs with a pseudo SB1 orbit (Plpv/Pnss = 1, ΔG > 0.1 mag, Plpv > 180 d) in the nss_two_body_orbit table and short-period (Plpv < 100 d) ‘LPVs’ with Plpv/Pnss = 1.

Gaia DR3 id Plpv Pnss Plpv/Pnss Signif. K1 e ΔG f(ℳ) R/RR R Alt. id.
(d) (d) (km s−1) (mag) (ℳ⊙) (R⊙)
Ellipsoidal variables
2162167694508896128 (a) 143 ± 16 289 ± 0.2 0.49 249 34.6 0.02 0.02 1.25 V1540 Cyg
5871624883899265280 48 ± 3 95.1 ± 0.1 0.50 101 22.0 0.03 0.06 0.105 0.92 43
449088171382718848 178 ± 50 356.7 ± 1.5 0.50 73 12.8 0.01 0.09 0.078
528840770565380352 54 ± 4 108.6 ± 0.1 0.50 89 31.7 0.01 0.06 0.358 0.88 45
1837292073273265920 58 ± 3 116.1 ± 0.1 0.50 86 34.1 0.04 0.06 0.477
4305358093199399168 42 ± 2 84.8 ± 0.1 0.50 89 27.3 0.03 0.05 0.178 0.74 32
6653811713476525440 63 ± 4 125.4 ± 0.6 0.50 19 11.4 0.16 0.09 0.019 0.67 37
5933194270923372288 10 ± 17 219.4 ± 0.4 0.50 63 21.8 0.05 0.05 0.234
5998937575770407936 69 ± 9 137.1 ± 0.2 0.50 50 21.7 0.05 0.07 0.144 0.75 45
...
Large-amplitude (ΔG > 0.1 mag) LPVs (Mira or SRa,b) with a pseudo SB1 orbit
3029929312263388416 330 ± 39 329 ± 3 1.002 27 5.6 0.27 0.27 0.0057
5861476288517412096 351 ± 29 350 ± 4 1.003 22 7.4 0.14 0.25 0.0144
4498570706006456320 196 ± 11 196 ± 2 1.003 9 3.5 0.36 0.21 0.0008
6635121600650977280 310 ± 42 309 ± 2 1.003 18 2.9 0.29 0.13 0.0007 – 75
185224454669173120 491 ± 114 490 ± 9 1.003 9 2.6 0.34 0.29 0.0009
5522324157261027968 321 ± 37 320 ± 3 1.003 23 5.3 0.29 0.26 0.0046
5428546471231540608 455 ± 60 454 ± 6 1.003 7 2.8 0.33 0.24 0.0009
463720476424410624 353 ± 24 352 ± 3 1.004 34 7.5 0.17 0.26 0.0152
6358622017131465728 181 ± 7 180 ± 2 1.004 10 6.4 0.17 0.54 0.0048 – 138
2180493018598279296 178 ± 25 177 ± 2 1.004 11 2.3 0.09 0.12 0.0002
5318375436185802368 262 ± 32 260 ± 2 1.005 12 2.6 0.33 0.18 0.0004 – 97
5522970154700635392 412 ± 37 410 ± 8 1.005 14 5.6 0.04 0.49 0.0076 – 84
1989628623330891904 419 ± 18 [25 ± 0.02] (b) [16.7] (b) 21 6.6 0.39 0.60 0.0006
...
Genuine binaries among LPVs (Plpv/Pnss ≠ 0.5 or 1; see text)
5341773936978279296 220 ± 61 1252 ± 113 0.18 21 7.7 0.25 0.05 0.053 0.28 73
5597415372601747456 168 ± 54 656 ± 6 0.26 43 11.1 0.36 0.03 0.076 0.33 56
5414646307794529792 196 ± 42 753 ± 17 0.26 34 6.2 0.4 0.04 0.015
5875470387113872768 214 ± 28 746 ± 16 0.29 29 15.3 0.35 0.09 0.229
5347893273248921984 279 ± 75 913 ± 40 0.31 29 13.3 0.07 0.03 0.220
5404683839108805248 215 ± 28 662 ± 1 0.32 89 11.5 0.33 0.11 0.088
5796098502440628864 244 ± 28 701 ± 4 0.35 59 6.5 0.08 0.08 0.020
1642955252784454144 374 ± 93 503 ± 6 0.74 33 6.0 0.28 0.04 0.010
304717076269774336 310 ± 102 158 ± 1 1.96 22 12.0 0.01 0.10 0.028 0.39 26
6661657003818388480 197 ± 92 42 ± 0.1 4.66 32 26.3 0.11 0.04 0.078 0.25 7
187075684355571200 161 ± 64 26 ± 0.01 6.29 73 22.9 0.08 0.05 0.031
5473442554645523712 209 ± 57 32 ± 0.02 6.62 30 36.4 0.06 0.04 0.157
Short-period (Plpv < 100 d) light and RV variations with Plpv/Pnss = 1: starspot modulation or short-period pulsators?
5498026500770376576 46 ± 1 45.7 ± 0.12 1.003 10 4.9 0.41 0.14 0.0005
4498425604828703104 50 ± 4 49.57 ± 0.05 1.003 39 32.5 0.03 0.08 0.18 0.24 7
3047643956417931264 64 ± 1 63.4 ± 0.1 1.003 13 (c) 8.3 0.21 0.24 0.0036 1.44 (c) 52
5637220068643463424 57 ± 4 57.17 ± 0.03 1.004 66 33.6 0.04 0.06 0.2240 0.27 9
5883587875302126592 78 ± 4 78.1 ± 0.1 1.004 16 12.2 0.42 0.08 0.0128
5701792904776417152 43 ± 4 43.38 ± 0.01 1.005 85 25.2 0.02 0.06 0.0718
1869696952997313664 53 ± 3 52.56 ± 0.05 1.005 31 22.5 0.13 0.08 0.0610 0.26 8
5235000057883364864 43 ± 1 42.5 ± 0.03 1.005 30 35.6 0.10 0.06 0.1969 0.40 11
...

Notes. Radii are the FLAME DR3 estimates (see text for how the filling factors R/RR were estimated). The column labelled ΔG lists the field mad_mag_g_fov (median absolute deviation) from table vari_summary.

(a)

This is likely a young star, of ‘Orion-variable’ type (V1540 Cyg).

(b)

This star has been added to the Mira category, despite its Plpv/Pnss ratio vastly different from 1, to illustrate some kind of aliasing problems (see text).

(c)

Doubtful case: significance is only 13 and filling factor is 1.4.

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