22075+2538 A 308 (HD 210103)

 
 
22h 07m 29.16s +25° 38' 11.4" P.A. 312.00 sep 0.2 mag 8.83,9.38 Sp A2 dist. 246.31 pc (803.46 l.y.)
 
 
Coord 2000 22075+2538 Discov num A   308 Comp Coord arcsec 2000 22 07 29.16 +25 38 11.4
Date first 1901 Date last 2014 Obs 40
Pa first 118 Pa last 311.9 P.A. Now (θ) 325.2°
Sep first 0.2 Sep last 0.187 Sep. Now (ρ) 0.144"
Mag pri 8.83 Mag sec 9.38 delta mag (ΔM) 0.55 Spectral class A2 (white)
Pri motion ra +020 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 210103 Constellation Pegasus SAO 90246 HIP 109211
Tycho2 2208-01871-1 Gaia DR2 1891643857908112256 HD 210103 ADS 15650
BD BD+24 4536 Distance 246.31 Distance ly 803.46
 
 
ORBITAL ELEMENTS
 
 
Period (P)174.38y± 8.71 Periastron (T)2015.31y± 20.58 Semi-major axis (a)0.2a± 0.004
Eccentricity (e)0.059± 0.024 Inclination (i)68.4°± 2 Longitude of periastron (ω)26.1°± 47.7
Node (Ω)305.7°± 1.5 Notesn ReferenceHrt2009
Equinox Last observation2006 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 302.3 0.188
2001 303.1 0.189
2002 304.0 0.189
2003 304.8 0.189
2004 305.7 0.189
2005 306.5 0.189
2006 307.4 0.188
2007 308.2 0.188
2008 309.1 0.187
2009 310.0 0.185
2010 310.8 0.184
2011 311.8 0.182
2012 312.7 0.180
2013 313.6 0.178
2014 314.6 0.175
2015 315.6 0.173
2016 316.6 0.170
2017 317.7 0.167
2018 318.8 0.163
2019 320.0 0.160
2020 321.2 0.156
2021 322.5 0.152
2022 323.8 0.148
2023 325.2 0.144
2024 326.8 0.140
2025 328.4 0.135
2026 330.1 0.131
2027 331.9 0.126
2028 333.9 0.122
2029 336.0 0.117
2030 338.3 0.113


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds22075%2B2538a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 22075+2538 A 308 (HD 210103) : NOTES
 
 
discov_num notes refcode
A 308 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 3.93 +/- 2.45, 3.66, and 2.09 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2009 Su j Hartkopf, W.I. & Mason, B.D. 2009AJ....138..813H
Hrt2009 +orb AJ 138, 813, 2009
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22075+2538 A 308 1993 33 115 0.2 8.83 9.38 A2 NO 220729.16+253811.4
22075+2538 A 308 2006 35 304 0.2 8.83 9.38 A2 NO 220729.16+253811.4
22075+2538 A 308 2007 36 129 0.2 8.83 9.38 A2 NO 220729.16+253811.4
22075+2538 A 308 2011 37 302 0.2 8.83 9.38 A2 NO 220729.16+253811.4
22075+2538 A 308 2014 40 312 0.2 8.83 9.38 A2 NO 220729.16+253811.4

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WDS 22075+2538 A 308 (HD 210103) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22075+2538 A 308 (HD 210103) : MEASURES
 
 
No records found.

 
 
WDS 22075+2538 (HD 210103) : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
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WDS 22075+2538 (HD 210103) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.