19018+3448 COU1612

 
 
19h 01m 49.13s +34 48' 29.9" P.A. 319 sep 0.8 mag 9.04,12.06 Sp B8
 
 
Coord 2000
19018+3448
Discov num
COU1612
Comp
Coord arcsec 2000
19 01 49.13 +34 48 29.9
Date first
1977
Date last
2009
Obs
6
Pa first
309
Pa last
319
P.A. Now (θ)
319°
Sep first
0.9
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
9.04
Mag sec
12.06
delta mag (ΔM)
3.02
Spectral class
B8 (blue-white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-001
Sec motion dec
-002
Notes
rPM=0.447
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
318.7
Precise sep
0.82
Constellation
Lyra
Tycho2
2647-02499-1
HD
177108
last precise pa
318.7
last precise sep
0.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19018+3448 COU1612 1991 3 318 0.9 9.04 12.06 B8 190149.13+344829.9
19018+3448 COU1612 2007 5 319 0.9 9.04 12.06 B8 190149.13+344829.9
19018+3448 COU1612 2009 6 319 0.8 9.04 12.06 B8 190149.13+344829.9

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