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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179819789 (SMSS J172713.45-205106.2)

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Data releaseDR4
RA (deg)261.8060
Dec (deg)-20.8518
Galactic lon. (deg)4.6177
Galactic lat. (deg)7.8436
E(B-V) (SFD98) (mag)0.940
E(B-V) (GNILC) (mag)0.929 ± 0.041
Nearest DR4 source 179819787 (4.4 arcs away)
2nd-nearest DR4 source 179819791 (8.8 arcs away)
3rd-nearest DR4 source 179819788 (9.3 arcs away)
Times observed39
Total bad pixels4
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.178 ± 0.044 17.141 ± 0.030 16.162 ± 0.02 15.621 ± 0.019
Petrosian mag. — — 17.898 ± 0.042 16.798 ± 0.047 15.922 ± 0.038 15.412 ± 0.027

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 20140722114132 18.166 ± 0.093 0,0 5 2
g 20140729111106 18.293 ± 0.097 0,0 5 2
g 20190505165725 18.274 ± 0.027 3,0 100 2
g 20190506165109 18.248 ± 0.029 3,0 100 2
g 20190507143127 18.307 ± 0.028 3,0 100 2
g 20190822094124 18.252 ± 0.028 3,0 100 2
r 20140719114939 17.161 ± 0.060 0,0 5 2
r 20140722114203 17.157 ± 0.055 0,0 5 2
r 20140729111131 17.221 ± 0.054 0,0 5 2
r 20160420170109 17.227 ± 0.074 0,0 5 2
r 20190505165926 17.163 ± 0.029 3,0 100 2
r 20190506165309 17.149 ± 0.028 3,0 100 2
r 20190507143327 17.155 ± 0.035 3,0 100 2
r 20190822094324 17.156 ± 0.029 3,0 100 2
r 20200524153415 17.139 ± 0.075 0,0 5 2
i 20140719115004 16.175 ± 0.037 3,0 10 2
i 20140722114229 16.183 ± 0.038 3,0 10 2
i 20140729111202 16.150 ± 0.036 3,0 10 2
i 20150901084153 16.187 ± 0.030 3,0 100 2
i 20150901084554 16.182 ± 0.029 3,0 100 2
i 20160420170134 16.221 ± 0.038 2,0 10 2
i 20180605124636 16.218 ± 0.046 3,0 10 2
i 20190419150817 16.201 ± 0.033 3,0 100 2
i 20190505170526 16.168 ± 0.030 3,0 100 2
i 20190508164002 16.181 ± 0.028 3,0 100 2
i 20190720124743 16.177 ± 0.057 3,0 100 2
i 20200524153441 16.244 ± 0.047 3,4 10 2
z 20140719115035 15.632 ± 0.035 3,0 20 2
z 20140722114259 15.658 ± 0.034 3,0 20 2
z 20140729111235 15.618 ± 0.034 3,0 20 2
z 20150901084353 15.609 ± 0.032 3,0 100 2
z 20150901084754 15.618 ± 0.029 3,0 100 2
z 20160420170204 15.623 ± 0.032 2,0 20 2
z 20180605124707 15.633 ± 0.040 3,0 20 2
z 20190419151018 15.661 ± 0.031 3,0 100 2
z 20190505170726 15.627 ± 0.030 3,0 100 2
z 20190508164202 15.603 ± 0.027 3,0 100 2
z 20190720124943 15.625 ± 0.056 3,0 100 2
z 20200513183957 15.650 ± 0.033 3,0 100 2
z 20200524153511 15.618 ± 0.044 3,0 20 3

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.25 0.91
GAIA source ID 4121011190549035648 4121011194881158528
Bp mag. 18.186 --
G mag. 17.043 20.458
Rp mag. 15.894 --
Bp/Rp excess 1.465 --
Parallax (mas) -0.318 ± 0.123 -- ± --
PM RA (mas/yr) -1.009 ± 0.145 -- ± --
PM Dec (mas/yr) -2.990 ± 0.103 -- ± --
A.E.N. (mas) 0.826 ± 26.699 2.222 ± 2.126

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.547 ± 0.005
r 17.114 ± 0.002
i 16.358 ± 0.006
z 15.882 ± 0.005
Y -- ± --
J 14.115 ± 0.045
H 13.312 ± 0.055
K 13.034 ± 0.044
W1 -- ± --
W2 -- ± --
W3 -- ± --
W4 -- ± --
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.