Exposure
ID
GRAVI.2025-10-29T03:04:33.364_1
Header ID
GRAVI.2025-10-29T03:04:33.364
Date updated
2025-10-29 03:21:11 UTC+0000
Release date
2025-10-29 03:04:33 UTC+0000
UTC Start
2025-10-29 03:04:33.364
UTC End
2025-10-29 03:10:33.364
MJD Start
60977.12816393
MJD End
60977.132330596665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0084905
Ambient temperature (°C)
14.63
Seeing (arcsec)
0.51
Observation
ID
71037
Category
calibrator
Program ID
116.28ZD.002
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
52717
Name
HD_220502
RA
351.081135
DEC
-9.72889
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 81.5870 80.6710 122.0000 122.7000
A0-J2 119.5130 118.1510 96.8000 97.2000
A0-K0 123.0480 122.0880 74.7250 74.8650
G1-J2 57.3650 57.1160 59.6000 59.7000
G1-K0 90.3960 90.4450 33.2010 33.5100
J2-K0 46.5950 46.5980 0.0350 0.7610
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZD.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60977.12816393
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 220502
HIERARCH ESO INS SOBJ NAME HD_220502
RA 351.081135
DEC -9.72889
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 81.587
HIERARCH ESO ISS PBL12 END 80.671
HIERARCH ESO ISS PBLA12 START 122.0
HIERARCH ESO ISS PBLA12 END 122.7
HIERARCH ESO ISS PBL13 START 119.513
HIERARCH ESO ISS PBL13 END 118.151
HIERARCH ESO ISS PBLA13 START 96.8
HIERARCH ESO ISS PBLA13 END 97.2
HIERARCH ESO ISS PBL14 START 123.048
HIERARCH ESO ISS PBL14 END 122.088
HIERARCH ESO ISS PBLA14 START 74.725
HIERARCH ESO ISS PBLA14 END 74.865
HIERARCH ESO ISS PBL23 START 57.365
HIERARCH ESO ISS PBL23 END 57.116
HIERARCH ESO ISS PBLA23 START 59.6
HIERARCH ESO ISS PBLA23 END 59.7
HIERARCH ESO ISS PBL24 START 90.396
HIERARCH ESO ISS PBL24 END 90.445
HIERARCH ESO ISS PBLA24 START 33.201
HIERARCH ESO ISS PBLA24 END 33.51
HIERARCH ESO ISS PBL34 START 46.595
HIERARCH ESO ISS PBL34 END 46.598
HIERARCH ESO ISS PBLA34 START 0.035
HIERARCH ESO ISS PBLA34 END 0.761
HIERARCH ESO ISS AMBI TAU0 START 0.009028
HIERARCH ESO ISS AMBI TAU0 END 0.007953
HIERARCH ESO ISS AMBI TEMP 14.63
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.5