Exposure
ID
GRAVI.2025-06-17T02:20:43.529_1
Header ID
GRAVI.2025-06-17T02:20:43.529
Date updated
2025-06-17 02:36:14 UTC+0000
Release date
2025-06-17 02:20:43 UTC+0000
UTC Start
2025-06-17 02:20:43.529
UTC End
2025-06-17 02:26:43.529
MJD Start
60843.09772603
MJD End
60843.101892696664
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0036305
Ambient temperature (°C)
7.37
Seeing (arcsec)
0.7
Observation
ID
68139
Category
calibrator
Program ID
115.281B.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
50648
Name
HD99844
RA
172.160146
DEC
-54.16934
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 89.0790 88.9970 160.9000 162.3000
A0-J2 114.5050 113.9540 144.6000 146.3000
A0-K0 95.5300 94.4020 124.2060 125.9660
G1-J2 38.2540 37.5670 103.9000 105.4000
G1-K0 58.3620 57.4040 58.5630 59.2750
J2-K0 41.5860 41.4590 17.7180 18.4660
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.281B.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60843.09772603
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 99844
HIERARCH ESO INS SOBJ NAME HD99844
RA 172.160146
DEC -54.16934
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 89.079
HIERARCH ESO ISS PBL12 END 88.997
HIERARCH ESO ISS PBLA12 START 160.9
HIERARCH ESO ISS PBLA12 END 162.3
HIERARCH ESO ISS PBL13 START 114.505
HIERARCH ESO ISS PBL13 END 113.954
HIERARCH ESO ISS PBLA13 START 144.6
HIERARCH ESO ISS PBLA13 END 146.3
HIERARCH ESO ISS PBL14 START 95.53
HIERARCH ESO ISS PBL14 END 94.402
HIERARCH ESO ISS PBLA14 START 124.206
HIERARCH ESO ISS PBLA14 END 125.966
HIERARCH ESO ISS PBL23 START 38.254
HIERARCH ESO ISS PBL23 END 37.567
HIERARCH ESO ISS PBLA23 START 103.9
HIERARCH ESO ISS PBLA23 END 105.4
HIERARCH ESO ISS PBL24 START 58.362
HIERARCH ESO ISS PBL24 END 57.404
HIERARCH ESO ISS PBLA24 START 58.563
HIERARCH ESO ISS PBLA24 END 59.275
HIERARCH ESO ISS PBL34 START 41.586
HIERARCH ESO ISS PBL34 END 41.459
HIERARCH ESO ISS PBLA34 START 17.718
HIERARCH ESO ISS PBLA34 END 18.466
HIERARCH ESO ISS AMBI TAU0 START 0.003482
HIERARCH ESO ISS AMBI TAU0 END 0.003779
HIERARCH ESO ISS AMBI TEMP 7.37
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.72