Exposure
ID
GRAVI.2025-11-18T07:00:30.499_1
Header ID
GRAVI.2025-11-18T07:00:30.499
Date updated
2025-11-18 07:20:58 UTC+0000
Release date
2025-11-18 07:00:30 UTC+0000
UTC Start
2025-11-18 07:00:30.499
UTC End
2025-11-18 07:07:10.499
MJD Start
60997.29201966
MJD End
60997.29664928963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0072580000000000006
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.755
Observation
ID
71802
Category
calibrator
Program ID
116.29DN.002
Program Title
TOWARD ACCURATE AND ASSUMPTION-FREE MODELING OF YSO DISKS
Program Type
Normal
PI / COI
GALLENNE / IBRAHIM / MONNIER
Target
ID
53304
Name
HD_55137
RA
107.821981
DEC
-12.04178
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2990 25.2950 137.5000 137.9000
A0-D0 30.3470 30.6130 67.0000 67.6000
A0-C1 22.3650 22.4500 112.3330 112.6060
B2-D0 32.3890 32.4910 19.6000 20.4000
B2-C1 10.7900 10.8230 19.5440 20.3980
D0-C1 21.6000 21.6670 199.6100 200.4640
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.29DN.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60997.29201966
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 55137
HIERARCH ESO INS SOBJ NAME HD_55137
RA 107.821981
DEC -12.04178
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 25.299
HIERARCH ESO ISS PBL12 END 25.295
HIERARCH ESO ISS PBLA12 START 137.5
HIERARCH ESO ISS PBLA12 END 137.9
HIERARCH ESO ISS PBL13 START 30.347
HIERARCH ESO ISS PBL13 END 30.613
HIERARCH ESO ISS PBLA13 START 67.0
HIERARCH ESO ISS PBLA13 END 67.6
HIERARCH ESO ISS PBL14 START 22.365
HIERARCH ESO ISS PBL14 END 22.45
HIERARCH ESO ISS PBLA14 START 112.333
HIERARCH ESO ISS PBLA14 END 112.606
HIERARCH ESO ISS PBL23 START 32.389
HIERARCH ESO ISS PBL23 END 32.491
HIERARCH ESO ISS PBLA23 START 19.6
HIERARCH ESO ISS PBLA23 END 20.4
HIERARCH ESO ISS PBL24 START 10.79
HIERARCH ESO ISS PBL24 END 10.823
HIERARCH ESO ISS PBLA24 START 19.544
HIERARCH ESO ISS PBLA24 END 20.398
HIERARCH ESO ISS PBL34 START 21.6
HIERARCH ESO ISS PBL34 END 21.667
HIERARCH ESO ISS PBLA34 START 199.61
HIERARCH ESO ISS PBLA34 END 200.464
HIERARCH ESO ISS AMBI TAU0 START 0.007557
HIERARCH ESO ISS AMBI TAU0 END 0.006959
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.77