19180-2504 HDS2730

 
 
19h 18m 02.17s -25 04' 19.9" P.A. 90 sep 0.5 mag 8.95,11.77 Sp A7V dist. 297.62 pc (970.84 l.y.)
 
 
Coord 2000
19180-2504
Discov num
HDS2730
Comp
Coord arcsec 2000
19 18 02.17 -25 04 19.9
Date first
1991
Date last
2016
Obs
3
Pa first
88
Pa last
90
P.A. Now (θ)
90°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
8.95
Mag sec
11.77
delta mag (ΔM)
2.82
Spectral class
A7V (white)
Pri motion ra
+005
Sec motion ra
Pri motion dec
-021
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.9
Precise sep
0.472
Constellation
Sagittarius
SAO
187935
HIP
94853
Tycho2
6879-01859-1
Gaia DR2
6769456010022671488
HD
180570
CD
CD-2513911
CP
CP-25 6752
Distance
297.62
Distance ly
970.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19180-2504 HDS2730 1991 1 88 0.4 8.95 11.77 A7V D 191802.17-250419.9
19180-2504 HDS2730 2014 2 89 0.5 8.95 11.77 A7V 191802.17-250419.9
19180-2504 HDS2730 2016 3 90 0.5 8.95 11.77 A7V 191802.17-250419.9

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