20257+2258 BRT2474

 
 
20h 25m 40.95s +22 57' 42.7" P.A. 103.00 sep 3.3 mag 11.40,11.80
 
 
Coord 2000
20257+2258
Discov num
BRT2474
Comp
Coord arcsec 2000
20 25 40.95 +22 57 42.7
Date first
1892
Date last
1892
Obs
1
Pa first
103
Pa last
103
P.A. Now (θ)
103°
Sep first
3.3
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
11.40
Mag sec
11.80
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+008
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
N X (See Notes, Dubious double)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
102.5
Precise sep
3.3
Constellation
Vulpecula
Tycho2
2156-00188-1
Gaia DR2
19203220736
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20257+2258 BRT2474 1892 1 103 3.3 11.40 11.80 NX 202540.95+225742.7

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