Exposure
ID
GRAVI.2025-10-04T01:02:21.479_1
Header ID
GRAVI.2025-10-04T01:02:21.479
Date updated
2025-10-04 01:10:49 UTC+0000
Release date
2026-10-04 01:10:49 UTC+0000
UTC Start
2025-10-04 01:02:21.479
UTC End
2025-10-04 01:05:01.479
MJD Start
60952.04330416
MJD End
60952.04515601185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0038789999999999996
Ambient temperature (°C)
12.42
Seeing (arcsec)
0.585
Observation
ID
70606
Category
science
Program ID
116.28ZD.003
Program Title
DO SOME HOT SUBDWARF BINARIES DESCEND FROM HIERARCHICAL TRIPLES? NEW INSIGHTS FROM INTERFEROMETRY
Program Type
Normal
PI / COI
DESHMUKH / GEIER / SANA / DAWSON / DORSCH / HEBER / KUPFER
Target
ID
52366
Name
GALEX_J222758.5+2006
RA
336.995611
DEC
20.1063
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 37.4510 37.6750 26.1000 26.6000
U1-U3 68.6540 69.1820 35.6000 36.0000
U1-U4 103.6680 104.5490 71.2880 71.2020
U2-U3 32.3080 32.5990 46.6000 46.9000
U2-U4 81.6840 82.1120 90.2560 90.0040
U3-U4 62.4100 62.4370 111.1800 110.9190
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZD.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60952.04330416
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME GALEX J222758.5+200623
HIERARCH ESO INS SOBJ NAME GALEX_J222758.5+2006
RA 336.995611
DEC 20.1063
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 37.451
HIERARCH ESO ISS PBL12 END 37.675
HIERARCH ESO ISS PBLA12 START 26.1
HIERARCH ESO ISS PBLA12 END 26.6
HIERARCH ESO ISS PBL13 START 68.654
HIERARCH ESO ISS PBL13 END 69.182
HIERARCH ESO ISS PBLA13 START 35.6
HIERARCH ESO ISS PBLA13 END 36.0
HIERARCH ESO ISS PBL14 START 103.668
HIERARCH ESO ISS PBL14 END 104.549
HIERARCH ESO ISS PBLA14 START 71.288
HIERARCH ESO ISS PBLA14 END 71.202
HIERARCH ESO ISS PBL23 START 32.308
HIERARCH ESO ISS PBL23 END 32.599
HIERARCH ESO ISS PBLA23 START 46.6
HIERARCH ESO ISS PBLA23 END 46.9
HIERARCH ESO ISS PBL24 START 81.684
HIERARCH ESO ISS PBL24 END 82.112
HIERARCH ESO ISS PBLA24 START 90.256
HIERARCH ESO ISS PBLA24 END 90.004
HIERARCH ESO ISS PBL34 START 62.41
HIERARCH ESO ISS PBL34 END 62.437
HIERARCH ESO ISS PBLA34 START 111.18
HIERARCH ESO ISS PBLA34 END 110.919
HIERARCH ESO ISS AMBI TAU0 START 0.003343
HIERARCH ESO ISS AMBI TAU0 END 0.004415
HIERARCH ESO ISS AMBI TEMP 12.42
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.59