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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185152193 (SMSS J172721.01-201940.7)

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Data releaseDR4
RA (deg)261.8376
Dec (deg)-20.3280
Galactic lon. (deg)5.0775
Galactic lat. (deg)8.1041
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185152169 (6.6 arcs away)
2nd-nearest DR4 source 185152194 (6.7 arcs away)
3rd-nearest DR4 source 185152172 (10.0 arcs away)
Times observed33
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.176 ± 0.018 17.196 ± 0.012 16.433 ± 0.014 15.984 ± 0.011
Petrosian mag. — — 18.329 ± 0.026 17.266 ± 0.031 16.503 ± 0.029 16.087 ± 0.023

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 18.246 ± 0.106 0,0 5 2
g 20140722114132 18.133 ± 0.089 0,0 5 2
g 20140729111106 18.302 ± 0.101 0,0 5 2
g 20190506165109 18.162 ± 0.03 3,0 100 2
g 20190507143127 18.199 ± 0.042 3,0 100 2
g 20190822094124 18.225 ± 0.042 19,0 100 2
r 20140719114939 17.267 ± 0.068 0,0 5 2
r 20140722114203 17.238 ± 0.059 0,0 5 2
r 20140729111131 17.232 ± 0.058 0,0 5 2
r 20160420170109 17.314 ± 0.080 0,0 5 2
r 20190506165309 17.169 ± 0.032 3,0 100 2
r 20190507143327 17.183 ± 0.041 3,0 100 2
r 20190822094324 17.202 ± 0.043 3,0 100 2
r 20200524153415 17.233 ± 0.075 0,0 5 2
r 20210407183558 17.157 ± 0.072 0,0 5 2
i 20140719115004 16.476 ± 0.046 0,0 10 2
i 20140722114229 16.413 ± 0.044 0,0 10 2
i 20140729111202 16.452 ± 0.043 0,0 10 2
i 20150901084153 16.408 ± 0.031 3,0 100 2
i 20150901084554 16.411 ± 0.034 3,0 100 2
i 20160420170134 16.455 ± 0.043 0,0 10 2
i 20180605124636 16.501 ± 0.051 0,0 10 2
i 20190508164002 16.447 ± 0.038 3,0 100 2
i 20200513190610 16.460 ± 0.033 19,0 100 2
i 20200524153441 16.574 ± 0.053 0,0 10 2
i 20210407183626 16.372 ± 0.048 0,0 10 2
z 20140719115035 15.934 ± 0.043 0,0 20 2
z 20140722114259 16.002 ± 0.039 0,0 20 2
z 20140729111235 15.975 ± 0.041 0,0 20 2
z 20150901084353 15.988 ± 0.031 3,0 100 2
z 20150901084754 15.975 ± 0.034 3,0 100 2
z 20160420170204 15.992 ± 0.041 0,0 20 2
z 20180605124707 16.028 ± 0.043 0,0 20 2
z 20190508164202 15.992 ± 0.034 3,0 100 2
z 20190720124943 15.942 ± 0.066 27,17 100 2
z 20200513190811 16.003 ± 0.038 19,0 100 2
z 20200524153511 16.077 ± 0.053 2,0 20 3
z 20210407183658 15.991 ± 0.049 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.17 1.68
GAIA source ID 4121255488288505472 4121255492601419264
Bp mag. 18.013 --
G mag. 17.053 19.786
Rp mag. 16.068 --
Bp/Rp excess 1.342 --
Parallax (mas) 0.085 ± 0.107 0.470 ± 0.890
PM RA (mas/yr) -4.991 ± 0.113 -3.939 ± 0.962
PM Dec (mas/yr) -5.287 ± 0.081 -5.292 ± 0.660
A.E.N. (mas) 0.077 ± 0.225 0.835 ± 0.706

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.171 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 14.549 ± 0.03
H 13.87 ± 0.029
K 13.621 ± 0.035
W1 13.525 ± 0.026
W2 13.599 ± 0.023
W3 12.299 ± --
W4 8.671 ± --
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.