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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151934 (SMSS J172719.14-202004.7)

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Data releaseDR4
RA (deg)261.8297
Dec (deg)-20.3346
Galactic lon. (deg)5.0678
Galactic lat. (deg)8.1066
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.585 ± 0.030
Nearest DR4 source 185151944 (4.2 arcs away)
2nd-nearest DR4 source 185151933 (8.1 arcs away)
3rd-nearest DR4 source 185152154 (9.3 arcs away)
Times observed35
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.025 ± 0.042 17.239 ± 0.026 16.559 ± 0.016 16.172 ± 0.018
Petrosian mag. — — 17.765 ± 0.121 17.014 ± 0.093 16.343 ± 0.067 16.050 ± 0.060

2 x 2 arcmin

Image cutouts

See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.

Photometry measurements

Filter Image ID Magnitude (APC05) Flags Exp time (s) Image Quality
(1=best to 3)
g 20140719114908 18.2 ± 0.102 0,0 5 2
g 20140722114132 18.029 ± 0.082 0,0 5 2
g 20140729111106 18.206 ± 0.095 0,0 5 2
g 20190506165109 18.026 ± 0.029 3,0 100 2
g 20190507143127 18.151 ± 0.042 3,0 100 2
r 20140719114939 17.182 ± 0.064 0,0 5 2
r 20140722114203 17.236 ± 0.059 0,0 5 2
r 20140729111131 17.216 ± 0.057 0,0 5 2
r 20160420170109 17.436 ± 0.088 0,0 5 2
r 20190506165309 17.193 ± 0.032 3,0 100 2
r 20190507143327 17.293 ± 0.042 3,0 100 2
r 20200524153415 17.250 ± 0.076 0,0 5 2
r 20210407183558 17.242 ± 0.076 0,0 5 2
i 20140719115004 16.503 ± 0.047 0,0 10 2
i 20140722114229 16.588 ± 0.048 2,0 10 2
i 20140729111202 16.538 ± 0.045 2,0 10 2
i 20150901084153 16.506 ± 0.031 3,0 100 2
i 20150901084554 16.520 ± 0.035 3,0 100 2
i 20160420170134 16.626 ± 0.049 0,0 10 2
i 20180605124636 16.605 ± 0.055 0,0 10 2
i 20190508164002 16.569 ± 0.039 1,0 100 2
i 20190509140533 16.604 ± 0.049 1,0 100 2
i 20200513190610 16.628 ± 0.034 0,0 100 2
i 20200524153441 16.619 ± 0.054 0,0 10 2
i 20210407183626 16.534 ± 0.053 0,0 10 2
z 20140719115035 16.119 ± 0.047 0,0 20 2
z 20140722114259 16.168 ± 0.042 2,0 20 2
z 20140729111235 16.118 ± 0.043 2,0 20 2
z 20150901084353 16.127 ± 0.032 3,0 100 2
z 20150901084754 16.133 ± 0.035 3,0 100 2
z 20160420170204 16.176 ± 0.047 0,0 20 2
z 20180605124707 16.198 ± 0.048 0,0 20 2
z 20190508164202 16.186 ± 0.036 0,0 100 2
z 20190509140733 16.284 ± 0.054 16,0 100 2
z 20200513190811 16.257 ± 0.041 0,0 100 2
z 20200524153511 16.189 ± 0.057 0,0 20 3
z 20210407183658 16.231 ± 0.056 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.43 1.46
GAIA source ID 4121255458287394048 4121255458241680768
Bp mag. 17.960 --
G mag. 17.226 19.284
Rp mag. 16.237 --
Bp/Rp excess 1.415 --
Parallax (mas) 0.475 ± 0.119 0.353 ± 0.521
PM RA (mas/yr) 7.760 ± 0.131 -3.534 ± 0.630
PM Dec (mas/yr) -6.498 ± 0.095 -5.885 ± 0.424
A.E.N. (mas) 0.085 ± 0.222 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.221 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 14.983 ± 0.042
H 14.258 ± 0.04
K 14.182 ± 0.008
W1 13.817 ± 0.014
W2 13.897 ± 0.018
W3 12.44 ± --
W4 8.465 ± --
1Magnitude sources
FUV/NUV: AB mag (calibrated) from GALEX
ugriz: AB mag (Kron) from NOAO Source Catalog
YJHK: Vega mag from VISTA (2" aperture) or 2MASS PSC
W1-W4: Vega mag from CatWISE2020 or AllWISE (profile mag). No error value means the stated value is an upper limit.