21182+3035 NOV 1 AD
21h 18m 10.88s +30° 35' 21.6" P.A. 162.00 sep 21.4 mag 8.14,15.91 Sp A5V dist. 251.89 pc (821.67 l.y.)
| Coord 2000 | 21182+3035 | Discov num | NOV 1 | Comp | AD | Coord arcsec 2000 | 21 18 10.88 +30 35 21.6 | ||||
| Date first | 1998 | Date last | 2015 | Obs | 5 | ||||||
| Pa first | 162 | Pa last | 162.2 | P.A. Now (θ) | 162.2° | ||||||
| Sep first | 21.4 | Sep last | 21.354 | Sep. Now (ρ) | 21.354" | ||||||
| Mag pri | 8.14 | Mag sec | 15.91 | delta mag (ΔM) | 7.77 | Spectral class | A5V (white) | ||||
| Pri motion ra | +003 | Sec motion ra | |||||||||
| Pri motion dec | -003 | Sec motion dec | |||||||||
| Notes | N W (See Notes, ) | ||||||||||
21182+3035 SYSTEM COMPONENTS
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | HD 202924 | 71176 | 21 18 11 +30 35 22 | HO 154 AB | 2016 | 17 | 211 | 3.6 | 8.14 | 11.54 | 3.40 | ||
| Show | 71176 | 21 18 11 +30 35 22 | POP 228 AC | 2015 | 4 | 139 | 9.0 | 8.13 | 13.60 | 5.47 | |||
| Show | 71176 | 21 18 11 +30 35 22 | NOV 1 AD | 2015 | 5 | 162 | 21.4 | 8.14 | 15.91 | 7.77 | <=== | ||
| Show | 71176 | 21 18 11 +30 35 22 | POP 228 AN | 2015 | 3 | 262 | 64.2 | 8.14 | 14.50 | 6.36 | |||
| Show | 71176 | 21 18 11 +30 35 22 | NOV 1 AX | 2015 | 10 | 142 | 186.7 | 8.14 | 10.74 | 2.60 | |||
| Show | 21 18 06 +30 35 13 | POP 228 NK | 2015 | 6 | 64 | 6.5 | 14.50 | 15.00 | 0.50 | ||||
| Show | 21 18 20 +30 32 54 | NOV 1 XL | 2015 | 7 | 89 | 32.2 | 10.74 | 15.10 | 4.36 | ||||
| Show | 21 18 20 +30 32 54 | NOV 1 XQ | 2015 | 6 | 134 | 29.2 | 10.74 | 17.30 | 6.56 | ||||
| Show | 21 18 20 +30 32 54 | NOV 1 XY | 2015 | 8 | 206 | 14.1 | 10.74 | 14.40 | 3.66 | ||||
| Show | 21 18 20 +30 32 54 | NOV 1 XZ | 2015 | 5 | 57 | 18.3 | 10.74 | 16.40 | 5.66 |
11 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation | Cygnus | SAO | 71176 | HIP | 105162 | Tycho2 | 2703-01256-1 | ||||
| Gaia DR2 | 1852007631960413952 | HD | 202924 | BD | BD+29 4374 | Distance | 251.89 | ||||
| Distance ly | 821.67 |
WDS 21182+3035 NOV 1 AD : NOTES
| discov_num | notes | refcode |
| HO 154 | Includes V2150 Cyg, a W UMa type eclipsing binary, P = 0.59186d. | Zas2012 |
REFERENCES
| refcode | metd | author | reference |
| Zas2012 | - | Zasche, P. | ................... |
| Zas2012 | private communication, 2012 |
DISCOVERER
| idgroup | discov | author |
| 1 | HO | Hough, G.W. |
| 28 | NOV | Novakovic, B. & Todorovic, N. |
| 45 | NOV | Novakovic, B. (Cvetkovic, Z., Pavlovic, R., Strigachev, A., Novakovic, B., & |
| 45 | NOV | Popovic, G.M.) |
| 50 | POP | Popovic, G.M. |
| 179 | POP | Popovic, G.M. (Cvetkovic, Z., Pavlovic, R., Strigachev, A., Novakovic, B., & |
| 179 | POP | Popovic, G.M.) |
WDS HISTORIC DATA
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 21182+3035 | NOV 1 | AD | 2005 | 3 | 163 | 20.5 | 8.14 | 15.91 | A5V | D | 211810.88+303521.6 |
| 21182+3035 | NOV 1 | AD | 2015 | 5 | 162 | 21.4 | 8.14 | 15.91 | A5V | N | 211810.88+303521.6 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 21182+3035 NOV 1 AD : VISUAL OBSERVATIONS REPORTS
WDS 21182+3035 NOV 1 AD : MEASURES
WDS 21182+3035 : VIRTUAL EYEPIECE
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WDS 21182+3035 : ALADIN DSS IMAGE @
Error -22130
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Error -27220
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