21427+1751 DAM 660

 
 
21h 42m 44.96s +17 51' 16.5" P.A. 318.00 sep 0.8 mag 20.30,21.10
 
 
Coord 2000
21427+1751
Discov num
DAM 660
Comp
Coord arcsec 2000
21 42 44.96 +17 51 16.5
Date first
1977
Date last
1977
Obs
1
Pa first
318
Pa last
318
P.A. Now (θ)
318°
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
20.30
Mag sec
21.10
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-246
Sec motion ra
-237
Pri motion dec
-408
Sec motion dec
-385
Notes
V B (Proper motion indicates physical, Blue magnitudes)
rPM=0.052 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
318.4
Precise sep
0.79
Constellation
Pegasus
SAO
107339
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21427+1751 DAM 660 1977 1 318 0.8 20.30 21.10 V B 214244.96+175116.5
21427+1751 DAM 660 2000 1 318 0.8 20.30 21.10 V B 214244.96+175116.5

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