20073+3738 TDT1995AB

 
 
20h 07m 21.55s +37 38' 00.2" P.A. 344 sep 2.5 mag 11.45,12.02 Sp B2
 
 
Coord 2000
20073+3738
Discov num
TDT1995
Comp
AB
Coord arcsec 2000
20 07 21.55 +37 38 00.2
Date first
1991
Date last
1991
Obs
1
Pa first
344
Pa last
344
P.A. Now (θ)
344°
Sep first
2.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
11.45
Mag sec
12.02
delta mag (ΔM)
0.57
Spectral class
B2 (blue-white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
-004
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
20073+3738 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20073+3738 TDT1995 AB 1991 1991 1 344 2.5 11.45 12.02 0.57 <===
Show 20073+3738 POP 189 AC 1985 2015 5 328 7.7 11.45 13.00 1.55
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
343.6
Precise sep
2.48
Constellation
Cygnus
SAO
69450
Tycho2
3150-03138-1
Gaia DR2
92303641984
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20073+3738 TDT1995 AB 1991 1 344 2.5 11.45 12.02 200721.55+373800.2

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