18471+1328 BPM 827
18h 47m 08.93s +13° 28' 16.9" P.A. 50.00 sep 79.2 mag 10.77,15.81 Sp F8
| Coord 2000 | 18471+1328 | Discov num | BPM 827 | Comp | Coord arcsec 2000 | 18 47 08.93 +13 28 16.9 | |||||
| Date first | 1991 | Date last | 2015 | Obs | 9 | ||||||
| Pa first | 50 | Pa last | 49.5 | P.A. Now (θ) | 49.5° | ||||||
| Sep first | 79.2 | Sep last | 79.245 | Sep. Now (ρ) | 79.245" | ||||||
| Mag pri | 10.77 | Mag sec | 15.81 | delta mag (ΔM) | 5.04 | Spectral class | F8 (yellow-white) | ||||
| Pri motion ra | +012 | Sec motion ra | +021 | ||||||||
| Pri motion dec | -018 | Sec motion dec | -016 | ||||||||
| Notes | N V (See Notes, Proper motion indicates physical) | ||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Constellation | Hercules | Tycho2 | 1038-01263-1 | Gaia DR2 | 4505553257696153728 |
WDS 18471+1328 BPM 827 : NOTES
| discov_num | notes | refcode |
| BPM 827 | [PM2000] 1572182 + [PM2000] 1572776. | Gvr2010 |
REFERENCES
| refcode | metd | author | reference |
| Gvr2010 | Pa - | Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C. | 2010A&A...521A 4G |
| Gvr2010 | +T | A&A 521, A4, 2010 | |
| Gvr2010 | (Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000 | ||
| Gvr2010 | catalogs, spanning years ~1900-2000) |
DISCOVERER
| idgroup | discov | author |
| 1 | BPM | Bordeaux PM2000 catalogue (main catalog: separation < 2') |
WDS HISTORIC DATA
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 18471+1328 | BPM 827 | 1999 | 2 | 50 | 79.2 | 10.77 | 15.81 | NV | 184708.93+132816.9 | ||
| 18471+1328 | BPM 827 | 2001 | 3 | 50 | 79.2 | 10.77 | 15.81 | NV | 184708.93+132816.9 | ||
| 18471+1328 | BPM 827 | 2010 | 4 | 50 | 79.1 | 10.77 | 15.81 | F8 | NV | 184708.93+132816.9 | |
| 18471+1328 | BPM 827 | 2015 | 5 | 50 | 79.2 | 10.77 | 15.81 | F8 | NV | 184708.93+132816.9 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 18471+1328 BPM 827 : VISUAL OBSERVATIONS REPORTS
WDS 18471+1328 BPM 827 : MEASURES
WDS 18471+1328 : VIRTUAL EYEPIECE
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WDS 18471+1328 : ALADIN DSS IMAGE @
Error -22130
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Error -27220
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