19421+3131 TDT1655

 
 
19h 42m 07.92s +31 31' 04.0" P.A. 210 sep 2.4 mag 10.81,11.62 Sp A0
 
 
Coord 2000
19421+3131
Discov num
TDT1655
Comp
Coord arcsec 2000
19 42 07.92 +31 31 04.0
Date first
1991
Date last
1991
Obs
1
Pa first
210
Pa last
210
P.A. Now (θ)
210°
Sep first
2.4
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
10.81
Mag sec
11.62
delta mag (ΔM)
0.81
Spectral class
A0 (white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-006
Sec motion dec
-006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
209.9
Precise sep
2.42
Constellation
Cygnus
Tycho2
2656-02061-1
last precise pa
209.9
last precise sep
2.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19421+3131 TDT1655 1991 1 210 2.4 10.81 11.62 194207.92+313104.0

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