List of blue straggler stars

This is a list of blue straggler stars in order of their distance from Earth.[1][2][3]

List

Blue Straggler Stars (confirmed)

Star system←→←→ Median distance (ly) RA
DEC		 Stars in system Spectral type Apparent magnitude (V) Cluster/Nebula Formation Mechanism Notes
Alpha Fornacis Ba (Dalim)45.66 ± 0.0803h 12m 04.5298s
−28° 59′ 15.439″		3F6V + G7V + D3.85NoMass TransferThe closest known blue straggler star to Earth[4]
HD 6590752.807h 57m 46.9s
−60° 18′ 11″		3F9.5V[5][6]
HR 3220 (B Carinae)58.9 ± 0.608h 09m 00.56958s
−61° 18′ 08.5836″		2F6 V Fe-0.8 CH-0.4 + D4.75Mass Transfer[7]
HD 12842987.7 ± 0.914h 36m 59.79592ss
−12° 18′ 19.0687″		2F6V + D6.197±0.005Mass Transfer[8]
Regulus Aa89.3±0.710h 08m 22.311s
+11° 58′ 01.95″		4B8 IV + WD + K2 V +M4 V1.40Mass TransferBrightest known blue straggler to Earth[9]
19 Aquarii260 ± 321h 25m 13.01629s
−09° 44′ 54.7923″		1A8V5.713[10]
SX Phoenicis272 ± 123h 46m 32.89291s
−41° 34′ 54.7708″		1A2 V6.76 – 7.53
V518 Carinae (HR 4196)450 ± 101B3/5V4.82
Theta Carinae460 ± 101B0.5 Vp2.76Part of IC 2602 open cluster
HD 13617948915h 19m 48.18597s
−20° 52′ 17.0439″		1F3V[11]8.42[12][13]
SU Crateris5551F8V
BD−12°26695702A5
40 Cancri626 ± 91A1 V6.61
V957 Scorpii890 ± 401B5 IIIp
HD 898901,200 ± 1004B3 III + A0 IVpSi + A2 + K0 III4.50
DY Pegasi1,330 ± 201A3 to F19.95 – 10.62
HD 2145391,4211B8/9Ib
HD 2249271,1801A9V
2M0056–082,175 ± 293? + ?Red straggler binary[14]
WOCS 90052,600–2,9002F + WMessier 67 (King Cobra/Golden Eye Cluster)[15]
31 Crateris (TY Corvi)3,0002B1.5V + ?5.19-5.23
HD 872663,2451B3NGC 3114[16]
KIC 111451233,910 ± 501F7V13.12
HD 935215,000 ± 3001O9.5IIInn or O9.5Vp7.03
BD+43 36545,400 ± 3001O4If10.06
Gaia DR3 289394109996371852811,90006h 29m 31.11s
−31° 20′ 59.5″		1A3V
M10-VLA114,0001?Messier 10Red straggler
BSS 1914,500 ± 32.61BSS47 Tucanae[17]
NJL 22015,800 ± 1.11BSSOmega Centauri[18]
HE 0437-5439 (HVS3)200,0001BV or sdB+F16.42

Blue Straggler Stars (candidate/former)

Star system←→←→ Median distance (ly) Stars in system Spectral type Apparent magnitude (V) Comments and references
HD 15906270.619 ± 0.0061G9V Fe−0.87.305
HD 224132451A9V

See also

References

  1. ↑ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. ↑ Barry, Don C. (January 1970), "Spectral Classification of a and F Stars", Astrophysical Journal Supplement, 19: 281, Bibcode:1970ApJS...19..281B, doi:10.1086/190209.
  3. ↑ Frost, E. B. (December 1924), "Fourteen spectroscopic binaries", Astrophysical Journal, 60: 319–320, Bibcode:1924ApJ....60..319F, doi:10.1086/142868.
  4. ↑ Fuhrmann, K.; Chini, R.; et al. (June 2016). "Evidence for very nearby hidden white dwarfs". Monthly Notices of the Royal Astronomical Society. 459 (2): 1682–1686. Bibcode:2016MNRAS.459.1682F. doi:10.1093/mnras/stw760.
  5. ↑ Sutter, Paul M.; Today, Universe. "HD 65907: The mysterious case of the resurrected star". phys.org. Retrieved 2025-09-07.
  6. ↑ "The Mysterious Case of the Resurrected Star". Universe Today. 18 December 2024. Retrieved 1 March 2025.
  7. ↑ Fuhrmann, K.; et al. (September 2011), "Discovery of the nearby F6V star HR 3220 as a field blue straggler", Monthly Notices of the Royal Astronomical Society, 416 (1): 391–392, Bibcode:2011MNRAS.416..391F, doi:10.1111/j.1365-2966.2011.19042.x
  8. ↑ Fuhrmann, Klaus; Chini, Rolf (October 2017), "On the ancient field blue straggler HR 5455", Monthly Notices of the Royal Astronomical Society, 471 (2): 1888–1891, Bibcode:2017MNRAS.471.1888F, doi:10.1093/mnras/stx1784.
  9. ↑ Rappaport, S.; Podsiadlowski, Ph.; Horev, I. (10 June 2009). "The Past and Future History of Regulus". The Astrophysical Journal. 698 (1): 666–675. arXiv:0904.0395. Bibcode:2009ApJ...698..666R. doi:10.1088/0004-637X/698/1/666.
  10. ↑ Eggen, Olin J. (October 1996). "Star Streams and Galactic Structure". Astronomical Journal. 112: 1595. Bibcode:1996AJ....112.1595E. doi:10.1086/118126.
  11. ↑ Houk, N.; Smith-Moore, M. (1988). Michigan Catalogue of Two-dimensional Spectral Types for the HD Stars. Volume 4, Declinations -26°.0 to -12°.0. Ann Arbor, Michigan: University of Michigan.
  12. ↑ Høg, E.; et al. (February 2000). "The Tycho-2 Catalogue of the 2.5 Million Brightest Stars". Astronomy and Astrophysics. 355 (1): L27–L30. Bibcode:2000A&A...355L..27H.
  13. ↑ Fuhrmann, Klaus; Chini, Rolf (2017-12-01). "On the Ancient Field Blue Straggler HD 136179". Research Notes of the AAS. 1 (1): 25. Bibcode:2017RNAAS...1...25F. doi:10.3847/2515-5172/aa9be3. ISSN 2515-5172.
  14. ↑ Stassun, Keivan G.; Torres, Guillermo; Kounkel, Marina; Tofflemire, Benjamin M.; Leiner, Emily; Feliz, Dax L.; Dixon, Don M.; Mathieu, Robert D.; Gosnell, Natalie; Gully-Santiago, Michael (2023-06-01). "An Eclipsing Binary Comprising Two Active Red Stragglers of Identical Mass and Synchronized Rotation: A Post-mass-transfer System or Just Born That Way?". The Astrophysical Journal. 950 (2): 99. arXiv:2305.00134. Bibcode:2023ApJ...950...99S. doi:10.3847/1538-4357/acd17c. ISSN 0004-637X.
  15. ↑ "AstroSat exposes the mystery of vampire star rejuvenation". ISRO. Retrieved 1 March 2025.
  16. ↑ "HD 87266 - Star - SKY-MAP". www.wikisky.org. Retrieved 2025-10-02.
  17. ↑ Shara, Michael M.; Saffer, Rex A.; Livio, Mario (1997-11-01). "The First Direct Measurement of the Mass of a Blue Straggler in the Core of a Globular Cluster: BSS 19 in 47 Tucanae". The Astrophysical Journal. 489 (1): L59–L62. Bibcode:1997ApJ...489L..59S. doi:10.1086/310952.
  18. ↑ "Blue Straggler Stars". www.mso.anu.edu.au. Retrieved 2025-09-27.
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