20072+2106 STF2631

 
 
20h 07m 13.84s +21 06' 13.4" P.A. 339 sep 4.6 mag 8.13,9.12 Sp G0 dist. 598.8 pc (1953.29 l.y.)
 
 
Coord 2000
20072+2106
Discov num
STF2631
Comp
Coord arcsec 2000
20 07 13.84 +21 06 13.4
Date first
1825
Date last
2018
Obs
55
Pa first
341
Pa last
339
P.A. Now (θ)
339°
Sep first
4.5
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
8.13
Mag sec
9.12
delta mag (ΔM)
0.99
Spectral class
G0 (yellow)
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
+007
Sec motion dec
+007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
339.1
Precise sep
4.638
Constellation
Sagitta
SAO
88215
HIP
99103
Tycho2
1629-00908-1
Gaia DR2
96461818112
HD
191065
BD
BD+20 4434
Distance
598.8
Distance ly
1953.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20072+2106 STF2631 2004 50 338 4.4 8.13 9.12 G0 D 200713.84+210613.4
20072+2106 STF2631 2008 51 339 4.6 8.13 9.12 G0 D 200713.84+210613.4
20072+2106 STF2631 2011 53 338 4.5 8.13 9.12 G0 D 200713.84+210613.4
20072+2106 STF2631 2015 54 338 4.6 8.13 9.12 G0 200713.84+210613.4
20072+2106 STF2631 2018 55 339 4.6 8.13 9.12 G0 200713.84+210613.4

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