19561+3457 HLM  34

 
 
19h 55m 43.44s +34 55' 41.2" P.A. 13 sep 9.8 mag 11.68,13.07
 
 
Coord 2000
19561+3457
Discov num
HLM  34
Comp
Coord arcsec 2000
19 55 43.44 +34 55 41.2
Date first
1925
Date last
2011
Obs
8
Pa first
12
Pa last
13
P.A. Now (θ)
13°
Sep first
9.8
Sep last
9.8
Sep. Now (ρ)
9.8"
Mag pri
11.68
Mag sec
13.07
delta mag (ΔM)
1.39
Spectral class
Pri motion ra
-009
Sec motion ra
+001
Pri motion dec
-011
Sec motion dec
-009
Notes
rPM=0.718
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
12.6
Precise sep
9.8
Constellation
Cygnus
Tycho2
2677-00990-1
last precise pa
12.6
last precise sep
9.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19561+3457 HLM 34 2006 6 13 10.3 11.68 13.07 D 195543.44+345541.2
19561+3457 HLM 34 2011 8 13 9.8 11.68 13.07 195543.44+345541.2

If you need more information about this double, apply for a data request form to the WDS.