22451-0240 A 2696 BC

 
 
22h 45m 04.43s -02° 39' 23.2" P.A. 71.00 sep 0.6 mag 10.31,10.16 Sp F8 dist. 12.53 pc (40.87 l.y.)
 
 
Coord 2000 22451-0240 Discov num A  2696 Comp BC Coord arcsec 2000 22 45 04.43 -02 39 23.2
Date first 1913 Date last 2019 Obs 53
Pa first 262 Pa last 71.4 P.A. Now (θ) 71.4°
Sep first 0.2 Sep last 0.616 Sep. Now (ρ) 0.616"
Mag pri 10.31 Mag sec 10.16 delta mag (ΔM) 0.15 Spectral class F8 (yellow-white)
Pri motion ra +017 Sec motion ra +017
Pri motion dec -077 Sec motion dec -077
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
22451-0240 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 22 45 05 -02 39 42 STF 2938 A,BC 2016 47 342 20.1 9.41 9.55 0.14
Show 146293 22 45 04 -02 39 23 A 2696 BC 2019 53 71 0.6 10.31 10.16 0.15 Y <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius SAO 146293 HIP 112325 Tycho2 5237-01613-1
Gaia DR2 2649536913693752960 HD 215415 GC 31742 ADS 16235
DM BD-03 5501 Distance 12.53 Distance ly 40.87
 
 
ORBITAL ELEMENTS
 
 
Period (P)302.1y Periastron (T)1919.18y Semi-major axis (a)0.481a
Eccentricity (e)0.518 Inclination (i)159° Longitude of periastron (ω)300.5°
Node (Ω)172.1° Notesn ReferenceHrt2014b
Equinox2000 Last observation2008 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 86.9 0.571
2001 86.2 0.574
2002 85.5 0.577
2003 84.9 0.580
2004 84.2 0.584
2005 83.6 0.587
2006 83.0 0.589
2007 82.3 0.592
2008 81.7 0.595
2009 81.1 0.598
2010 80.5 0.601
2011 79.9 0.604
2012 79.3 0.606
2013 78.7 0.609
2014 78.1 0.612
2015 77.5 0.614
2016 76.9 0.617
2017 76.3 0.619
2018 75.8 0.622
2019 75.2 0.624
2020 74.6 0.626
2021 74.1 0.629
2022 73.5 0.631
2023 73.0 0.633
2024 72.4 0.636
2025 71.9 0.638
2026 71.3 0.640
2027 70.8 0.642
2028 70.3 0.644
2029 69.7 0.646
2030 69.2 0.648


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



 
 


wds22451-0240b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 22451-0240 A 2696 BC : NOTES
 
 
discov_num notes refcode
A 2696 See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Hrt2014b orb - Hartkopf, W.I. & Mason, B.D. 2014IAUDS.184....1H
Hrt2014b Inf. Circ. 184, 1, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
312 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22451-0240 A 2696 BC 1994 35 98 0.5 10.31 10.16 NOD 224504.43-023923.2
22451-0240 A 2696 BC 2008 38 79 0.6 10.31 10.16 NOD 224504.43-023923.2
22451-0240 A 2696 BC 2014 39 75 0.6 10.31 10.16 F8 NO 224504.43-023923.2
22451-0240 A 2696 BC 2015 43 74 0.6 10.31 10.16 F8 NO 224504.43-023923.2
22451-0240 A 2696 BC 2017 46 73 0.6 10.31 10.16 F8 NO 224504.43-023923.2
22451-0240 A 2696 BC 2019 50 71 0.6 10.31 10.16 F8 NO 224504.43-023923.2

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WDS 22451-0240 A 2696 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22451-0240 A 2696 BC : MEASURES
 
 
No records found.

 
 
WDS 22451-0240 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 22451-0240 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.