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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185152194 (SMSS J172721.00-201934.0)

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Data releaseDR4
RA (deg)261.8375
Dec (deg)-20.3261
Galactic lon. (deg)5.0791
Galactic lat. (deg)8.1051
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185152200 (6.0 arcs away)
2nd-nearest DR4 source 185152193 (6.7 arcs away)
3rd-nearest DR4 source 185152197 (12.1 arcs away)
Times observed30
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.435 ± 0.066 17.605 ± 0.042 16.914 ± 0.036 16.512 ± 0.034
Petrosian mag. — — 18.310 ± 0.056 17.395 ± 0.078 16.777 ± 0.056 16.408 ± 0.029

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 18.477 ± 0.117 0,0 5 2
g 20140729111106 18.512 ± 0.121 0,0 5 2
g 20190506165109 18.489 ± 0.034 3,0 100 2
g 20190507143127 18.516 ± 0.045 3,0 100 2
g 20190822094124 18.481 ± 0.044 19,0 100 2
r 20140722114203 17.762 ± 0.087 0,0 5 2
r 20140729111131 17.807 ± 0.088 0,0 5 2
r 20160420170109 17.659 ± 0.107 0,0 5 2
r 20190506165309 17.602 ± 0.035 3,0 100 2
r 20190507143327 17.637 ± 0.044 3,0 100 2
r 20190822094324 17.605 ± 0.045 3,0 100 2
r 20210407183558 17.487 ± 0.091 0,0 5 2
i 20140719115004 17.083 ± 0.067 1,0 10 2
i 20140722114229 16.949 ± 0.058 1,0 10 2
i 20140729111202 16.892 ± 0.055 0,0 10 2
i 20150901084153 16.920 ± 0.034 3,0 100 2
i 20150901084554 16.908 ± 0.037 3,0 100 2
i 20160420170134 17.172 ± 0.077 1,0 10 2
i 20180605124636 16.819 ± 0.064 0,0 10 2
i 20190508164002 16.943 ± 0.043 3,0 100 2
i 20200513190610 16.896 ± 0.038 19,0 100 2
i 20200524153441 17.112 ± 0.076 1,0 10 2
i 20210407183626 16.959 ± 0.070 0,0 10 2
z 20140719115035 16.564 ± 0.062 1,0 20 2
z 20140722114259 16.533 ± 0.051 1,0 20 2
z 20140729111235 16.563 ± 0.054 0,0 20 2
z 20150901084353 16.534 ± 0.036 3,0 100 2
z 20150901084754 16.532 ± 0.040 3,0 100 2
z 20160420170204 16.568 ± 0.063 0,0 20 2
z 20180605124707 16.535 ± 0.062 0,0 20 2
z 20190508164202 16.528 ± 0.040 3,0 100 2
z 20190720124943 16.568 ± 0.068 27,13 100 2
z 20200513190811 16.461 ± 0.045 19,0 100 2
z 20210407183658 16.540 ± 0.069 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.08 1.88
GAIA source ID 4121255488293745664 4121255492647134976
Bp mag. 18.478 --
G mag. 17.619 20.583
Rp mag. 16.641 --
Bp/Rp excess 1.365 --
Parallax (mas) 0.009 ± 0.147 -3.647 ± 1.842
PM RA (mas/yr) -4.511 ± 0.153 -0.153 ± 2.509
PM Dec (mas/yr) -4.698 ± 0.111 -11.970 ± 1.698
A.E.N. (mas) 0.129 ± 0.337 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.678 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 15.209 ± 0.006
H -- ± --
K 14.407 ± 0.010
W1 14.318 ± 0.08
W2 14.399 ± 0.069
W3 12.269 ± --
W4 8.667 ± --
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.