Exposure
ID
GRAVI.2025-04-26T05:40:10.607_1
Header ID
GRAVI.2025-04-26T05:40:10.607
Date updated
2025-04-26 05:55:48 UTC+0000
Release date
2025-04-26 05:40:10 UTC+0000
UTC Start
2025-04-26 05:40:10.607
UTC End
2025-04-26 05:45:30.607
MJD Start
60791.23623388
MJD End
60791.239937583705
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.006998
Ambient temperature (°C)
14.44
Seeing (arcsec)
0.335
Observation
ID
66999
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
49813
Name
HD99844
RA
172.160149
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 89.1470 89.0700 159.7000 161.0000
A0-J2 114.9560 114.4460 143.2000 144.8000
A0-K0 96.4380 95.4100 122.8190 124.3920
G1-J2 38.8010 38.1820 102.7000 104.0000
G1-K0 59.1170 58.2620 57.9900 58.6400
J2-K0 41.6840 41.5740 17.1170 17.8000
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 60791.23623388
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 99844
HIERARCH ESO INS SOBJ NAME HD99844
RA 172.160149
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 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 89.147
HIERARCH ESO ISS PBL12 END 89.07
HIERARCH ESO ISS PBLA12 START 159.7
HIERARCH ESO ISS PBLA12 END 161.0
HIERARCH ESO ISS PBL13 START 114.956
HIERARCH ESO ISS PBL13 END 114.446
HIERARCH ESO ISS PBLA13 START 143.2
HIERARCH ESO ISS PBLA13 END 144.8
HIERARCH ESO ISS PBL14 START 96.438
HIERARCH ESO ISS PBL14 END 95.41
HIERARCH ESO ISS PBLA14 START 122.819
HIERARCH ESO ISS PBLA14 END 124.392
HIERARCH ESO ISS PBL23 START 38.801
HIERARCH ESO ISS PBL23 END 38.182
HIERARCH ESO ISS PBLA23 START 102.7
HIERARCH ESO ISS PBLA23 END 104.0
HIERARCH ESO ISS PBL24 START 59.117
HIERARCH ESO ISS PBL24 END 58.262
HIERARCH ESO ISS PBLA24 START 57.99
HIERARCH ESO ISS PBLA24 END 58.64
HIERARCH ESO ISS PBL34 START 41.684
HIERARCH ESO ISS PBL34 END 41.574
HIERARCH ESO ISS PBLA34 START 17.117
HIERARCH ESO ISS PBLA34 END 17.8
HIERARCH ESO ISS AMBI TAU0 START 0.006867
HIERARCH ESO ISS AMBI TAU0 END 0.007129
HIERARCH ESO ISS AMBI TEMP 14.44
HIERARCH ESO ISS AMBI FWHM START 0.33
HIERARCH ESO ISS AMBI FWHM END 0.34