12417-0127 STF 1670 AC
12h 41m 39.60s -01° 26' 57.9" P.A. 121.00 sep 99.4 mag 3.48,15.10 Sp F0V dist. 11.68 pc (38.1 l.y.)
| Coord 2000 | 12417-0127 | Discov num | STF1670 | Comp | AC | Coord arcsec 2000 | 12 41 39.60 -01 26 57.9 | ||||
| Date first | 1889 | Date last | 2015 | Obs | 5 | ||||||
| Pa first | 159 | Pa last | 120.5 | P.A. Now (θ) | 120.5° | ||||||
| Sep first | 53.1 | Sep last | 99.42 | Sep. Now (ρ) | 99.42" | ||||||
| Mag pri | 3.48 | Mag sec | 15.10 | delta mag (ΔM) | 11.62 | Spectral class | F0V (yellow-white) | ||||
| Pri motion ra | -601 | Sec motion ra | -029 | ||||||||
| Pri motion dec | +084 | Sec motion dec | -005 | ||||||||
| Notes | N S (See Notes, Parallax indidates non-physical) | ||||||||||
12417-0127 SYSTEM COMPONENTS
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | Porrima | 138917 | 12 41 40 -01 26 58 | STF 1670 AB | 2021 | 1611 | 356 | 2.9 | 3.48 | 3.53 | 0.05 | Y | |
| Show | 138917 | 12 41 40 -01 26 58 | STF 1670 AC | 2015 | 5 | 121 | 99.4 | 3.48 | 15.10 | 11.62 | <=== | ||
| Show | 138917 | 12 41 40 -01 26 58 | STF 1670 AD | 2015 | 8 | 90 | 177.6 | 3.48 | 12.05 | 8.57 | |||
| Show | 138917 | 12 41 40 -01 26 58 | STF 1670 AE | 2016 | 18 | 167 | 260.4 | 3.48 | 8.94 | 5.46 | |||
| Show | 138917 | 12 41 40 -01 26 58 | STF 1670 AF | 2015 | 10 | 267 | 422.3 | 3.48 | 9.53 | 6.05 | |||
| Show | 12 41 40 -01 26 58 | STF 1670 BD | 2015 | 3 | 90 | 177.8 | 3.53 | 12.05 | 8.52 | ||||
| Show | 138918 | 12 41 40 -01 26 58 | STF 1670 BE | 2015 | 7 | 167 | 260.0 | 3.53 | 8.94 | 5.41 | |||
| Show | 12 41 40 -01 26 58 | STF 1670 BF | 2015 | 5 | 268 | 422.0 | 3.53 | 9.53 | 6.00 |
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name | Porrima | Var name | NSV5859 Vir | Constellation | Virgo | SAO | 138917 | ||||
| HIP | 61941 | Tycho2 | 4949-01120-1 | HD | 110379 | HR | 4825 | ||||
| GC | 17270 | ADS | 8630 | GL | Gl 482A | BD | BD-00 2601 | ||||
| Bayer | Gamma Virginis | Bayer name | Gam Vir | Flamsteed | 29 Virginis | Flamsteed name | 29 Vir | ||||
| Distance | 11.68 | Distance ly | 38.1 | Bayer greek | γ Vir |
| Other names | ARICH |
| Meaning | Roman goddess of childbirth |
WDS 12417-0127 STF 1670 AC : NOTES
| discov_num | notes | refcode |
| STF1670 | gam Vir = 29 Vir = Porrima. According to R.G. Aitken, this was | A__1935f |
| discovered in 1718 by Bradley and Pound. | ||
| One component is a suspected variable. | ||
| Measure of 1720.31 made by triangulation of multiple measures. | ||
| Measure of 1927.31 made by triangulation of multiple measures. | ||
| See Baize & Petit (1989) catalog of doubles with variable component. | Baz1989d | |
| AB: H 3 18. | MEv2010 | |
| AB: Additional notes may be found in van de Kamp (1929). | Kam1929 | |
| AB: Malkov et al. (2012) derive dynamical, photometric, and | ||
| spectroscopic masses 2.69 +/- 0.06, 2.86, and 2.89 Msun, respectively. | Mlk2012 | |
| AC: Additional notes may be found in Burnham (1894). | Bu_1894 | |
| AF: F component is primary of 12412-0127 BU 607. Pair not physical, | ||
| so systems not merged. |
REFERENCES
| refcode | metd | author | reference |
| A__1935f | - | Aitken, R.G. | 1935QB821.A3....... |
| A__1935f | The Binary Stars, 1935 | ||
| Baz1989d | - | Baize, P. & Petit, M. | 1989A&AS...77..497B |
| Baz1989d | A&AS 77, 497, 1989 | ||
| Bu_1894 | Ma j | Burnham, S.W. | 1894PLicO...2....3B |
| Bu_1894 | Pub. Lick Obs. 2, 3, 1894 (includes most data from Bu_1893a) | 1893AN....131..329B | |
| Kam1929 | Po - | van de Kamp, P. | 1929PASP...41..235V |
| Kam1929 | PASP 41, 235, 1929 | ||
| MEv2010 | - | MacEvoy, B. | ................... |
| MEv2010 | private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) | ||
| 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 | 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 |
| 12417-0127 | STF1670 | AC | 2007 | 3 | 121 | 93.7 | 3.48 | 15.10 | N D | 124139.60-012657.9 | |
| 12417-0127 | STF1670 | AC | 2015 | 5 | 121 | 99.4 | 3.48 | 15.10 | F0V | NS | 124139.60-012657.9 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 12417-0127 STF 1670 AC : VISUAL OBSERVATIONS REPORTS
WDS 12417-0127 STF 1670 AC : MEASURES
WDS 12417-0127 : VIRTUAL EYEPIECE
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WDS 12417-0127 : ALADIN DSS IMAGE @
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