19542+0157 ABT 9002 BC

 
 
19h 54m 25.74s +01° 56' 29.0" P.A. 30.00 sep 94.5 mag 9.03,12.26 Sp K0 dist. 42.68 pc (139.22 l.y.)
 
 
Coord 2000 19542+0157 Discov num ABT9002 Comp BC Coord arcsec 2000 19 54 25.74 +01 56 29.0
Date first 1921 Date last 2000 Obs 3
Pa first 38 Pa last 29.5 P.A. Now (θ) 29.5°
Sep first 77.2 Sep last 94.513 Sep. Now (ρ) 94.513"
Mag pri 9.03 Mag sec 12.26 delta mag (ΔM) 3.23 Spectral class K0 (yellow-orange)
Pri motion ra -003 Sec motion ra -004
Pri motion dec -269 Sec motion dec -006
Notes N (See Notes)
rPM=0.978
This double is not physical.
 
 
19542+0157 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 188268 125206 19 54 15 +01 56 36 HZG 14 AB 2015 21 93 162.0 8.89 9.03 0.14
Show 125214 19 54 26 +01 56 29 ABT 9002 BC 2000 3 30 94.5 9.03 12.26 3.23 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila SAO 125214 HIP 97950 Tycho2 0485-01108-1
Gaia DR2 4240625896609242624 HD 188311 BD BD+01 4135 Distance 42.68
Distance ly 139.22
 
 
WDS 19542+0157 ABT 9002 BC : NOTES
 
 
discov_num notes refcode
HZG 14 AB: B is BD+01@4135.
AB: HJL 269. HJL1986
AB: SHY 323. Bayesian analysis by Shaya & Olling (2011) indicates very Shy2011
high (near 100%) probability pair is physical.
ABT9002 Previously known as ABT 14.
HIP 97940. See Allen et al. (2000) for information on metallicity, AlC2000
age, galactic orbital parameters, etc.
 
 
REFERENCES
 
 
refcode metd author reference
AlC2000 Po - Allen, C., Poveda, A., & Herrera, M 2000A&A...356..529A
AlC2000 A&A 356, 529, 2000
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
Shy2011 - Shaya, E.J. & Olling, R. 2011ApJS..192....2S
Shy2011 ApJS 192, 2, 2011
Shy2011 (Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011 added to WDS only if probability 90% or greater.)
 
 
DISCOVERER
 
 
idgroup discov author
1 ABT Abetti, G.
18 HZG Hertzsprung, E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19542+0157 ABT9002 BC 1921 1 38 77.2 9.03 11.70 K0 N 195425.74+015628.9
19542+0157 ABT9002 BC 1999 2 29 94.4 9.03 12.37 K0 N D 195425.74+015629.0
19542+0157 ABT9002 BC 2000 3 30 94.5 9.03 12.37 K0 N D 195425.74+015629.0

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 19542+0157 ABT 9002 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19542+0157 ABT 9002 BC : MEASURES
 
 
No records found.

 
 
WDS 19542+0157 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 19542+0157 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.