Exposure
ID
GRAVI.2025-12-10T04:38:26.568_1
Header ID
GRAVI.2025-12-10T04:38:26.568
Date updated
2025-12-10 04:52:17 UTC+0000
Release date
None
UTC Start
2025-12-10 04:38:26.568
UTC End
2025-12-10 04:44:26.568
MJD Start
61019.19336305
MJD End
61019.197529716665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0083355
Ambient temperature (°C)
14.26
Seeing (arcsec)
0.7050000000000001
Observation
ID
72116
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
53550
Name
HD_31317
RA
73.645598
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 87.8870 87.3210 114.7000 115.0000
A0-J2 128.6430 128.2550 92.7000 92.8000
A0-K0 127.7990 127.9340 72.6750 72.7510
G1-J2 57.4890 57.6890 57.8000 58.0000
G1-K0 85.8920 86.2720 29.4030 29.8960
J2-K0 44.6990 44.6250 351.6410 352.3650
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 61019.19336305
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 31317
HIERARCH ESO INS SOBJ NAME HD_31317
RA 73.645598
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 87.887
HIERARCH ESO ISS PBL12 END 87.321
HIERARCH ESO ISS PBLA12 START 114.7
HIERARCH ESO ISS PBLA12 END 115.0
HIERARCH ESO ISS PBL13 START 128.643
HIERARCH ESO ISS PBL13 END 128.255
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 127.799
HIERARCH ESO ISS PBL14 END 127.934
HIERARCH ESO ISS PBLA14 START 72.675
HIERARCH ESO ISS PBLA14 END 72.751
HIERARCH ESO ISS PBL23 START 57.489
HIERARCH ESO ISS PBL23 END 57.689
HIERARCH ESO ISS PBLA23 START 57.8
HIERARCH ESO ISS PBLA23 END 58.0
HIERARCH ESO ISS PBL24 START 85.892
HIERARCH ESO ISS PBL24 END 86.272
HIERARCH ESO ISS PBLA24 START 29.403
HIERARCH ESO ISS PBLA24 END 29.896
HIERARCH ESO ISS PBL34 START 44.699
HIERARCH ESO ISS PBL34 END 44.625
HIERARCH ESO ISS PBLA34 START 351.641
HIERARCH ESO ISS PBLA34 END 352.365
HIERARCH ESO ISS AMBI TAU0 START 0.007445
HIERARCH ESO ISS AMBI TAU0 END 0.009226
HIERARCH ESO ISS AMBI TEMP 14.26
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.78