Exposure
ID
GRAVI.2025-10-11T07:06:09.209_1
Header ID
GRAVI.2025-10-11T07:06:09.209
Date updated
2025-10-11 07:20:47 UTC+0000
Release date
2025-10-11 07:06:09 UTC+0000
UTC Start
2025-10-11 07:06:09.209
UTC End
2025-10-11 07:12:09.209
MJD Start
60959.29593992
MJD End
60959.30010658666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0016755
Ambient temperature (°C)
11.27
Seeing (arcsec)
2.31
Observation
ID
70896
Category
calibrator
Program ID
116.28R6.001
Program Title
TRACING VARIABILITY AT THE INNER ASTRONOMICAL UNITS IN PROTOPLANETARY DISKS WITH GRAVITY
Program Type
GTO
PI / COI
SANCHEZ / GARCIA LOPEZ / CARATTI O GARATTI / ROUSSELET-PERRAUT / GARCIA / BENISTY / LABADIE / BRANDNER / HENNING / KEPPLER / VAN BOEKEL / PFUHL / ECKART / EISENHAUER / LACOUR / MENARD / PAUMARD / PERRIN / STRAUBMEIER / VAN DISHOECK / BOUVIER / DOUGADOS /
Target
ID
52605
Name
HD_31317
RA
73.645599
DEC
-1.79522
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.9460 90.1720 113.5000 113.4000
A0-J2 123.8610 124.8290 92.2000 92.2000
A0-K0 116.8810 118.1940 70.2760 70.5520
G1-J2 51.6890 52.2680 53.0000 53.5000
G1-K0 80.1120 80.5140 20.0770 20.8930
J2-K0 46.1970 46.0720 342.6810 343.2340
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28R6.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60959.29593992
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 31317
HIERARCH ESO INS SOBJ NAME HD_31317
RA 73.645599
DEC -1.79522
HIERARCH ESO INS SPEC RES HIGH
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 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 89.946
HIERARCH ESO ISS PBL12 END 90.172
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 123.861
HIERARCH ESO ISS PBL13 END 124.829
HIERARCH ESO ISS PBLA13 START 92.2
HIERARCH ESO ISS PBLA13 END 92.2
HIERARCH ESO ISS PBL14 START 116.881
HIERARCH ESO ISS PBL14 END 118.194
HIERARCH ESO ISS PBLA14 START 70.276
HIERARCH ESO ISS PBLA14 END 70.552
HIERARCH ESO ISS PBL23 START 51.689
HIERARCH ESO ISS PBL23 END 52.268
HIERARCH ESO ISS PBLA23 START 53.0
HIERARCH ESO ISS PBLA23 END 53.5
HIERARCH ESO ISS PBL24 START 80.112
HIERARCH ESO ISS PBL24 END 80.514
HIERARCH ESO ISS PBLA24 START 20.077
HIERARCH ESO ISS PBLA24 END 20.893
HIERARCH ESO ISS PBL34 START 46.197
HIERARCH ESO ISS PBL34 END 46.072
HIERARCH ESO ISS PBLA34 START 342.681
HIERARCH ESO ISS PBLA34 END 343.234
HIERARCH ESO ISS AMBI TAU0 START 0.001671
HIERARCH ESO ISS AMBI TAU0 END 0.00168
HIERARCH ESO ISS AMBI TEMP 11.27
HIERARCH ESO ISS AMBI FWHM START 2.46
HIERARCH ESO ISS AMBI FWHM END 2.16