Copyright 2019-2026 Caltech, Support from NASA is acknowledged. This information is taken from a collection created and curated by the NASA/IPAC Extragalactic Database (NED), operated by the California Institute of Technology (Caltech). If your research benefits from the use of NED, the following acknowledgement in your paper would be appreciated: "This research has made use of the NASA/IPAC Extragalactic Database (NED), which is funded by the National Aeronautics and Space Administration and operated by the California Institute of Technology." See: https://ned.ipac.caltech.edu/Documents/Overview/Acknowledgments A row number applicable to this list only Bandpass at which the data were measured Major axis diameter (2*a) Major axis diameter uncertainty Minor axis diameter (2*b) Minor axis diameter uncertainty Major axis position angle, in degrees east of north (FK5 Equatorial J2000) Major axis position angle uncertainty Ratio of minor axis over major axis Type of diameter or part of the object measured, e.g., Isophotal, half-light, FWHM Reference level for the measured diameter(s), with units Bibliographic reference code Note about the object, as transcribed from the referenced catalog or publication

1	POSS1 103a-O	3000		1080				0.36	"Inner" diameter	Very high surface brightness	1964MCG...C02....0V
2	RC3 D_25, R_25 (blue)	11432.8	266.299988	3704.2272	171.49199657016	35.0699997		0.324	Isophotal diameter	25.0 B-mag arcsec^-2^	1991RC3.9.C...0000d
3	0.5-7 keV Chandra	0.808625832774235	0.0153022512782182	0.808625832774235	0.0153022512782182	0		1	Unspecified in paper	extent deconvolved with PSF	2020CSC...C2..0000:
4	0.1-10 keV Chandra	0.854974689259368	0.0220525025541796	0.854974689259368	0.0220525025541796	0		1	Unspecified in paper	extent deconvolved with PSF	2020CSC...C2..0000:
5	0.2-0.5 keV Chandra	0.587797753861061	0.0943331843995274	0.587797753861061	0.0943331843995274	0		1	Unspecified in paper	extent deconvolved with PSF	2020CSC...C2..0000:
6	0.5-1.2 keV Chandra	0.655150596158442	0.0244473937293771	0.655150596158442	0.0244473937293771	0		1	Unspecified in paper	extent deconvolved with PSF	2020CSC...C2..0000:
7	2-7 keV Chandra	0.652318336152697	0.0414818204940833	0.652318336152697	0.0414818204940833	0		1	Unspecified in paper	extent deconvolved with PSF	2020CSC...C2..0000:
8	1.2-2 keV Chandra	0.767644515127962	0.0281377339128395	0.767644515127962	0.0281377339128395	0		1	Unspecified in paper	extent deconvolved with PSF	2020CSC...C2..0000:
9	K_s (LGA/2MASS isophotal)	3229.4		1811.6934		45		0.561	Isophotal diameter	20.0 K-mag arcsec^-2^	2003AJ....125..525J
10	K_s (LGA/2MASS "total")	6200		3478.2		45		0.561	Isophotal diameter	Diameter for "total" magnitude	2003AJ....125..525J
11	POSS1 103a-O	12000		4800		35.0699997		0.4	"Outer" diameter	About 25.0 B-mag arcsec^-2^	1973UGC...C...0000N	Minor diameter flagged uncertain.
12	RC3 D_0 (blue)	12250.4							Isophotal diameter	25.0 B-mag arcsec^-2^	1991RC3.9.C...0000d	Extinction and inclination corrected.
13	RC3 A_e (Johnson B)	2501.2	117.900002						Isophotal diameter		1991RC3.9.C...0000d	From magnitude-aperture curves.