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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185231721 (SMSS J173002.67-200757.9)

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Data releaseDR4
RA (deg)262.5112
Dec (deg)-20.1327
Galactic lon. (deg)5.5889
Galactic lat. (deg)7.6785
E(B-V) (SFD98) (mag)1.235
E(B-V) (GNILC) (mag)1.219 ± 0.004
Nearest DR4 source 185231722 (4.5 arcs away)
2nd-nearest DR4 source 185231716 (8.9 arcs away)
3rd-nearest DR4 source 185231715 (11.6 arcs away)
Times observed37
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.151 ± 0.030 16.498 ± 0.014 14.553 ± 0.010 13.547 ± 0.012
Petrosian mag. — — 17.925 ± 0.087 16.408 ± 0.057 14.504 ± 0.039 13.518 ± 0.032

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 18.148 ± 0.099 0,0 5 2
g 20140722114132 18.158 ± 0.088 0,0 5 2
g 20140729111106 18.222 ± 0.09 0,0 5 2
g 20190505165725 18.313 ± 0.020 0,0 100 2
g 20190506165109 18.174 ± 0.024 3,0 100 2
g 20190507143127 18.334 ± 0.031 0,0 100 2
g 20190822094124 18.352 ± 0.020 0,56 100 2
r 20140719114939 16.568 ± 0.046 0,0 5 2
r 20140722114203 16.553 ± 0.034 2,0 5 2
r 20140729111131 16.462 ± 0.030 2,0 5 2
r 20160420172325 16.500 ± 0.041 0,0 5 2
r 20180605125736 16.534 ± 0.056 0,0 5 2
r 20190505165926 16.516 ± 0.030 3,0 100 2
r 20190506165309 16.503 ± 0.024 3,0 100 2
r 20190507143327 16.652 ± 0.040 0,0 100 2
r 20190822094324 16.655 ± 0.027 0,57 100 2
r 20210411183015 16.487 ± 0.046 0,0 5 2
i 20140719115004 14.613 ± 0.028 0,0 10 2
i 20140722114229 14.553 ± 0.022 3,0 10 2
i 20140729111202 14.559 ± 0.026 3,0 10 2
i 20150901084153 14.567 ± 0.027 3,0 100 2
i 20150901084554 14.563 ± 0.029 3,0 100 2
i 20160420172350 14.540 ± 0.023 3,0 10 2
i 20180605125802 14.594 ± 0.036 0,0 10 2
i 20190505170526 14.575 ± 0.031 3,0 100 2
i 20190508164002 14.625 ± 0.030 16,0 100 2
i 20190509140533 14.627 ± 0.056 0,19 100 2
i 20190720124743 14.649 ± 0.058 0,0 100 2
i 20200513190610 14.641 ± 0.038 0,0 100 2
i 20210411183047 14.672 ± 0.031 0,0 10 2
z 20140719115035 13.589 ± 0.030 0,0 20 2
z 20140722114259 13.559 ± 0.029 3,0 20 2
z 20140729111235 13.559 ± 0.028 3,0 20 2
z 20150901084353 13.554 ± 0.027 3,0 100 2
z 20150901084754 13.536 ± 0.028 3,0 100 2
z 20160420172420 13.551 ± 0.023 3,0 20 2
z 20180605125833 13.612 ± 0.026 0,0 20 2
z 20190505170726 13.563 ± 0.031 3,0 100 2
z 20190508164202 13.604 ± 0.024 16,0 100 2
z 20190509140733 13.592 ± 0.058 0,18 100 2
z 20190720124943 13.616 ± 0.057 0,0 100 2
z 20200513190811 13.608 ± 0.038 0,0 100 2
z 20210411183118 13.667 ± 0.026 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.45 2.17
GAIA source ID 4121447151252240896 4121447151231903616
Bp mag. 17.708 21.148
G mag. 15.440 20.641
Rp mag. 14.079 18.389
Bp/Rp excess 1.564 3.805
Parallax (mas) 0.081 ± 0.041 0.792 ± 1.255
PM RA (mas/yr) -4.322 ± 0.048 -1.951 ± 1.688
PM Dec (mas/yr) -2.588 ± 0.032 -4.801 ± 1.164
A.E.N. (mas) 0.141 ± 2.923 1.713 ± 0.875

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 16.385 ± 0.002
i -- ± --
z -- ± --
Y -- ± --
J 11.432 ± 0.025
H 10.306 ± 0.032
K 9.794 ± 0.021
W1 9.596 ± 0.015
W2 9.776 ± 0.012
W3 9.419 ± 0.043
W4 8.185 ± 0.332
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.