20342+1333 HEI 277

 
 
20h 34m 06.46s +13 33' 18.6" P.A. 246 sep 0.7 mag 10.78,11.07
 
 
Coord 2000
20342+1333
Discov num
HEI 277
Comp
Coord arcsec 2000
20 34 06.46 +13 33 18.6
Date first
1982
Date last
2011
Obs
5
Pa first
249
Pa last
246
P.A. Now (θ)
246°
Sep first
0.4
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
10.78
Mag sec
11.07
delta mag (ΔM)
0.29
Spectral class
Pri motion ra
+017
Sec motion ra
+017
Pri motion dec
+011
Sec motion dec
+011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
246.3
Precise sep
0.67
Constellation
Delphinus
Tycho2
1100-01627-1
Gaia DR2
37071389184
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20342+1333 HEI 277 1995 3 260 0.4 10.78 11.07 203406.46+133318.6
20342+1333 HEI 277 2010 4 245 0.7 10.78 11.07 203406.46+133318.6
20342+1333 HEI 277 2011 5 246 0.7 10.78 11.07 203406.46+133318.6

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