GRAVITY Collaboration; Abuter, R.; Amorim, A.; Anugu, N.; Bauböck, M.; Benisty, M.; Berger, J. P.; Blind, N.; Bonnet, H. (2018-07-24). "Detection of the gravitational redshift in the orbit of the star S2 near the Galactic centre massive black hole". Astronomy & Astrophysics. 615 (15): L15. arXiv:1807.09409. Bibcode:2018A&A...615L..15G. doi:10.1051/0004-6361/201833718. S2CID118891445.
Sahlmann, J.; Abuter, R.; Menardi, S.; Schmid, C.; Di Lieto, N.; Delplancke, F.; Frahm, R.; Gomes, N.; Haguenauer, P.; et al. (2010). Danchi, William C; Delplancke, Françoise; Rajagopal, Jayadev K (eds.). "First results from fringe tracking with the PRIMA fringe sensor unit". Proceedings of the Society of Photo-Optical Instrumentation Engineers. Optical and Infrared Interferometry II. 7734 (7734): 773422–773422–12. arXiv:1012.1321. Bibcode:2010SPIE.7734E..22S. doi:10.1117/12.856896. S2CID118479949.
GRAVITY Collaboration; Abuter, R.; Amorim, A.; Anugu, N.; Bauböck, M.; Benisty, M.; Berger, J. P.; Blind, N.; Bonnet, H. (2018-07-24). "Detection of the gravitational redshift in the orbit of the star S2 near the Galactic centre massive black hole". Astronomy & Astrophysics. 615 (15): L15. arXiv:1807.09409. Bibcode:2018A&A...615L..15G. doi:10.1051/0004-6361/201833718. S2CID118891445.
Sahlmann, J.; Abuter, R.; Menardi, S.; Schmid, C.; Di Lieto, N.; Delplancke, F.; Frahm, R.; Gomes, N.; Haguenauer, P.; et al. (2010). Danchi, William C; Delplancke, Françoise; Rajagopal, Jayadev K (eds.). "First results from fringe tracking with the PRIMA fringe sensor unit". Proceedings of the Society of Photo-Optical Instrumentation Engineers. Optical and Infrared Interferometry II. 7734 (7734): 773422–773422–12. arXiv:1012.1321. Bibcode:2010SPIE.7734E..22S. doi:10.1117/12.856896. S2CID118479949.
GRAVITY Collaboration; Abuter, R.; Amorim, A.; Anugu, N.; Bauböck, M.; Benisty, M.; Berger, J. P.; Blind, N.; Bonnet, H. (2018-07-24). "Detection of the gravitational redshift in the orbit of the star S2 near the Galactic centre massive black hole". Astronomy & Astrophysics. 615 (15): L15. arXiv:1807.09409. Bibcode:2018A&A...615L..15G. doi:10.1051/0004-6361/201833718. S2CID118891445.
Sahlmann, J.; Abuter, R.; Menardi, S.; Schmid, C.; Di Lieto, N.; Delplancke, F.; Frahm, R.; Gomes, N.; Haguenauer, P.; et al. (2010). Danchi, William C; Delplancke, Françoise; Rajagopal, Jayadev K (eds.). "First results from fringe tracking with the PRIMA fringe sensor unit". Proceedings of the Society of Photo-Optical Instrumentation Engineers. Optical and Infrared Interferometry II. 7734 (7734): 773422–773422–12. arXiv:1012.1321. Bibcode:2010SPIE.7734E..22S. doi:10.1117/12.856896. S2CID118479949.
GRAVITY Collaboration; Abuter, R.; Amorim, A.; Anugu, N.; Bauböck, M.; Benisty, M.; Berger, J. P.; Blind, N.; Bonnet, H. (2018-07-24). "Detection of the gravitational redshift in the orbit of the star S2 near the Galactic centre massive black hole". Astronomy & Astrophysics. 615 (15): L15. arXiv:1807.09409. Bibcode:2018A&A...615L..15G. doi:10.1051/0004-6361/201833718. S2CID118891445.
Sahlmann, J.; Abuter, R.; Menardi, S.; Schmid, C.; Di Lieto, N.; Delplancke, F.; Frahm, R.; Gomes, N.; Haguenauer, P.; et al. (2010). Danchi, William C; Delplancke, Françoise; Rajagopal, Jayadev K (eds.). "First results from fringe tracking with the PRIMA fringe sensor unit". Proceedings of the Society of Photo-Optical Instrumentation Engineers. Optical and Infrared Interferometry II. 7734 (7734): 773422–773422–12. arXiv:1012.1321. Bibcode:2010SPIE.7734E..22S. doi:10.1117/12.856896. S2CID118479949.