19575+5442 STI2487

 
 
19h 57m 26.52s +54 41' 49.4" P.A. 227 sep 6.4 mag 11.61,12.50
 
 
Coord 2000
19575+5442
Discov num
STI2487
Comp
Coord arcsec 2000
19 57 26.52 +54 41 49.4
Date first
1901
Date last
2010
Obs
6
Pa first
218
Pa last
227
P.A. Now (θ)
227°
Sep first
6.2
Sep last
6.4
Sep. Now (ρ)
6.4"
Mag pri
11.61
Mag sec
12.50
delta mag (ΔM)
0.89
Spectral class
Pri motion ra
-008
Sec motion ra
-020
Pri motion dec
-014
Sec motion dec
-020
Notes
rPM=0.474
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
227
Precise sep
6.44
Cdsa2 id
STI 2487
Constellation
Cygnus
Ra deg
19.957366666666665
De deg
54.69705555555555
last precise pa
227
last precise sep
6.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19575+5442 STI2487 2000 4 230 6.8 11.61 12.50 D 195726.52+544149.4
19575+5442 STI2487 2003 5 229 6.8 11.61 12.50 D 195726.52+544149.4
19575+5442 STI2487 2010 6 227 6.4 11.61 12.50 195726.52+544149.4

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