07074+2242 BLL 19 (R Gem)
07h 07m 21.28s +22° 42' 12.7" P.A. 201.00 sep 173.1 mag 8.55,12.34 Sp S3.9e dist. 574.71 pc (1874.7 l.y.)
| Coord 2000 | 07074+2242 | Discov num | BLL 19 | Comp | Coord arcsec 2000 | 07 07 21.28 +22 42 12.7 | |||||
| Date first | 1880 | Date last | 2015 | Obs | 8 | ||||||
| Pa first | 200 | Pa last | 200.8 | P.A. Now (θ) | 200.8° | ||||||
| Sep first | 173.7 | Sep last | 173.11 | Sep. Now (ρ) | 173.11" | ||||||
| Mag pri | 8.55 | Mag sec | 12.34 | delta mag (ΔM) | 3.79 | Spectral class | S3.9e (deep red) | ||||
| Pri motion ra | -004 | Sec motion ra | -004 | ||||||||
| Pri motion dec | -001 | Sec motion dec | -005 | ||||||||
| Notes | N (See Notes) | ||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Var name | R Gem | Constellation | Gemini | SAO | 79070 | HIP | 34356 | ||||
| Tycho2 | 1896-01929-1 | Gaia DR2 | 3368235472331577216 | HD | 53791 | HR | 2671 | ||||
| GC | 9390 | BD | BD+22 1577 | Distance | 574.71 | Distance ly | 1874.7 |
WDS 07074+2242 BLL 19 (R Gem) : NOTES
| discov_num | notes | refcode |
| BLL 19 | A is the Mira-type variable, R Gem. |
REFERENCES
| refcode | metd | author | reference |
| Bll1872 | orb - | Ball, R.S. | . |
| Bll1872 | Proc. Royal Irish Acad., June 1872 | ||
| Bll1884 | Ma j | Ball, R.S. | 1884DunOP...5....1B |
| Bll1884 | Pub. Dunsink Obs. 5, 1, 1884 | ||
| Bll1913A | Ma - | Ball, R.S. | 1913QB811.B8....... |
| Bll1913A | cited by Burnham (Carnegie Inst. Wash. #168, 1913) | ||
| Bll1932A | - | Ball, R.S. | 1932QB821.A43...... |
| Bll1932A | cited in ADS (Aitken Double Star Cat.), 1932 |
WDS HISTORIC DATA
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 07074+2242 | BLL 19 | 1991 | 3 | 201 | 173.0 | 8.55 | 12.34 | S3.9e | N | 070721.28+224212.7 | |
| 07074+2242 | BLL 19 | 1997 | 4 | 201 | 173.2 | 8.55 | 12.34 | S3.9e | N | 070721.28+224212.7 | |
| 07074+2242 | BLL 19 | 2010 | 5 | 201 | 173.6 | 8.55 | 12.34 | S3.9e | N | 070721.28+224212.7 | |
| 07074+2242 | BLL 19 | 2015 | 8 | 201 | 173.1 | 8.55 | 12.34 | S3.9e | N | 070721.28+224212.7 |
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WDS 07074+2242 BLL 19 (R Gem) : VISUAL OBSERVATIONS REPORTS
WDS 07074+2242 BLL 19 (R Gem) : MEASURES
WDS 07074+2242 (R Gem) : VIRTUAL EYEPIECE
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WDS 07074+2242 (R Gem) : ALADIN DSS IMAGE @
Error -22130
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Error -27220
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