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GCIRS 16SW

binary star in the Galactic Center
Thing Wolf Rayet Star Q85710545

Facts

11 properties
Instance of
Wolf–Rayet star
Apparent magnitude
11.6 (9.34–14.8, n=3)[21][22]
Catalog code
[PGM2006] E23, [EG97] S97, GCIRS 16SW, Sgr A IRS 16SW, [BSD96] 71, [CRG2001b] 21, [GPE2000] 1.44, [OEG99] 9, [PMM2001] N3, [SSR2003] 3, [GKM98] S1-16, [SME2009] 48
+5 more[BSE2009] 15, [NS2013] 3, [DWC2011] 156, Gal Center IRS 16SW, [FNS2015] 97
[4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20]
Constellation
Sagittarius[2]
Declination
-29.0080800°
Declination component of proper motion
3.2 mas/yr
Epoch
J2000.0
Radial velocity
470 km/s
Right ascension
266.417180°
Right ascension component of proper motion
7.3 mas/yr
Spectral class
Ofpe/WN9[3]
🏷️ Also known as
sv S97
🔖 Identifiers · 3
Image (Wikimedia Commons)
GCIRS 16SW Celestia.png ↗
Google Knowledge Graph ID
/g/11jv3xmlt7
SIMBAD ID
GCIRS 16SW

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Summary

GCIRS 16SW is a Wolf–Rayet star[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . The Two Young Star Disks in the Central Parsec of the Galaxy: Properties, Dynamics, and Formation. wikidata.org.
  3. [4] ↑ . SIMBAD. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . SIMBAD. wikidata.org.
  8. [9] ↑ . SIMBAD. wikidata.org.
  9. [10] ↑ . SIMBAD. wikidata.org.
  10. [11] ↑ . SIMBAD. wikidata.org.
  11. [12] ↑ . SIMBAD. wikidata.org.
  12. [13] ↑ . SIMBAD. wikidata.org.
  13. [14] ↑ . SIMBAD. wikidata.org.
  14. [15] ↑ . SIMBAD. wikidata.org.
  15. [16] ↑ . SIMBAD. wikidata.org.
  16. [17] ↑ . SIMBAD. wikidata.org.
  17. [18] ↑ . SIMBAD. wikidata.org.
  18. [19] ↑ . SIMBAD. wikidata.org.
  19. [20] ↑ . SIMBAD. wikidata.org.
  20. [21] ↑ . JHKL photometry and the K-band luminosity function at the Galactic Center. wikidata.org.
  21. [22] ↑ . Really Cool Stars and the Star Formation History at the Galactic Center. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). GCIRS 16SW. Retrieved November 10, 2026, from https://4ort.xyz/entity/gcirs-16sw
MLA “GCIRS 16SW.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/gcirs-16sw.
BibTeX @misc{4ortxyz_gcirs-16sw_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{GCIRS 16SW}}, year = {2026}, url = {https://4ort.xyz/entity/gcirs-16sw}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): GCIRS 16SW — https://4ort.xyz/entity/gcirs-16sw (retrieved 2026-11-10)

Canonical URL: https://4ort.xyz/entity/gcirs-16sw · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · SevenSpheres · 2026-10-03 view diff on Wikidata ↗
    Instance of → Wolf–Rayet star, star cluster, emission-line star
    Epoch → J2000.0
    Google Knowledge Graph ID → /g/11jv3xmlt7
    Apparent magnitude → 9.34, 14.75, 11.6
    + 12 other properties edited (see Wikidata diff for full list)
    "Created claim: Image: GCIRS 16SW Celestia.png"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.