20007+3130 BRT 273

 
 
20h 00m 43.92s +31 29' 49.5" P.A. 74 sep 4.1 mag 9.91,12.20 Sp K2
 
 
Coord 2000
20007+3130
Discov num
BRT 273
Comp
Coord arcsec 2000
20 00 43.92 +31 29 49.5
Date first
1902
Date last
2007
Obs
3
Pa first
74
Pa last
74
P.A. Now (θ)
74°
Sep first
5.2
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
9.91
Mag sec
12.20
delta mag (ΔM)
2.29
Spectral class
K2 (yellow-orange)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
74.2
Precise sep
4.14
Constellation
Cygnus
last precise pa
74.2
last precise sep
4.14
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20007+3130 BRT 273 2007 3 74 4.1 9.91 12.20 K2 200043.92+312949.5

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