17220-2500 CHR 182 (The Oph)

 
 
17h 22m 00.58s -24 59' 58.2" P.A. 58 sep 0.1 mag 3.40,6.20 Sp B2IV dist. 133.69 pc (436.1 l.y.)
 
 
Coord 2000
17220-2500
Discov num
CHR 182
Comp
Coord arcsec 2000
17 22 00.58 -24 59 58.2
Date first
1992
Date last
2014
Obs
5
Pa first
234
Pa last
58
P.A. Now (θ)
58°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
3.40
Mag sec
6.20
delta mag (ΔM)
2.8
Spectral class
B2IV (blue-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
57.9
Precise sep
0.065
Name
The Oph
Constellation
Ophiuchus
SAO
185320
HIP
84970
HD
157056
HR
6453
GC
23451
CD
CD-2413292
CP
CP-24 5876
Bayer
Theta Ophiuchi
Bayer name
The Oph
Flamsteed
42 Ophiuchi
Flamsteed name
42 Oph
Distance
133.69
Distance ly
436.1
last precise pa
57.9
last precise sep
0.065
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17220-2500 CHR 182 2000 2 252 0.3 3.27   B2IV 172200.58-245958.2
17220-2500 CHR 182 2014 3 58 0.1 3.40 6.20 B2IV 172200.58-245958.2

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