15180-7752 HJ 4731

 
 
15h 18m 00.49s -77 52' 14.3" P.A. 250.00 sep 3.2 mag 9.99,10.94 Sp A2/3V
 
 
Coord 2000
15180-7752
Discov num
HJ 4731
Comp
Coord arcsec 2000
15 18 00.49 -77 52 14.3
Date first
1835
Date last
2016
Obs
10
Pa first
260
Pa last
250
P.A. Now (θ)
250°
Sep first
1.5
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
9.99
Mag sec
10.94
delta mag (ΔM)
0.95
Spectral class
A2/3V (white)
Pri motion ra
+036
Sec motion ra
-080
Pri motion dec
-002
Sec motion dec
-044
Notes
rPM=1.351
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
249.5
Precise sep
3.165
Constellation
Apus
Tycho2
9432-01550-1
Gaia DR2
5779690245589873792
HD
134548
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15180-7752 HJ 4731 2000 8 248 2.6 9.99 10.94 A2/3V D 151800.49-775214.3

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