A catalogue of candidate milliparsec-separation massive black hole binaries from long-term optical photometric monitoring

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Volume 699 (July 2025)

A&A, 699 (2025) A55

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Table C.1.

Additional candidates catalogue

oid	ra	dec	Redshift	Fitted Period	Error Period	Log(M)	Error Log(M)	$χ_{ν}^{2}$ $\chi ^2_\nu$ ZTF	CRTS obs
722214100002451	246.183	43.994	1.93	1517	55	9.24	0.02	1.08	No

762207400010289	253.448	46.594	2.29	1547	650	8.1	0.14	1.23	Yes

796215300002648	254.941	57.525	2.05	1354	45			0.92	No

721210400000714	237.562	41.418	1.89	1527	720	8.81	0.05	1.21	Yes

760213300014840	237.592	49.784	2.09	1545	722	8.69	0.07	1.02	Yes

792206200005745	214.018	54.177	1.48	1773	27	9.17	0.02	1.16	No

792210400012079	216.131	55.414	2.36	1477	696	9.31	0.05	1.17	Yes

793210300003169	225.462	55.544	1.15	1512	613	9.28	0.03	0.96	Yes

793213100021821	228.540	57.820	2.33	817	25	9.67	0.17	1.01	No

793216100016751	235.480	54.179	0.85	788	18	8.66	0.06	1.22	No

795211400020541	231.904	59.202	0.93	1283	509	9.83	0.23	0.95	Yes

823203400004287	238.373	61.827	2.44	1538	620	9.64	0.04	1.26	Yes

823205300004979	234.299	61.807	2.65	1534	398	9.34	0.07	0.88	Yes

678211200026561	239.653	35.532	2.09	1530	475	8.87	0.02	1.08	Yes

678213400006806	244.586	31.964	0.19	1520	289			1.26	Yes

720206400001109	229.529	42.999	2.04	1495	632	9.21	0.11	1.08	Yes

760216400003842	243.705	44.680	0.46	1470	26			1.06	No

792209300011535	215.639	55.088	1.02	1227	33	8.72	0.06	1.28	No

793206400000506	226.619	58.033	0.92	1527	592	8.06	0.08	1.22	Yes

Notes. First 20 lines of the catalogue of weak MBBH candidates. Columns in the catalogue show from left to right, the ZTF object ID (oid), the right ascension (R.A.) and declination (Dec.) of the sources in degrees, their redshift z, their identified period and 1 σ error in days, their Log(M) and 1 σ error in M_⊙, the reduced chi square $χ_{ν}^{2}$ $\chi ^{2}_{\nu }$ and finally if the object has CRTS observations. The full catalogue is available at the CDS.

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