Exposure
ID
GRAVI.2025-03-04T01:39:54.795_1
Header ID
GRAVI.2025-03-04T01:39:54.795
Date updated
2025-03-04 01:50:53 UTC+0000
Release date
2025-03-04 01:39:54 UTC+0000
UTC Start
2025-03-04 01:39:54.795
UTC End
2025-03-04 01:43:06.795
MJD Start
60738.0693842
MJD End
60738.07160642222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004995
Ambient temperature (°C)
14.86
Seeing (arcsec)
0.67
Observation
ID
64952
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
48292
Name
HD_50235
RA
102.715458
DEC
-34.36731
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.0820 89.9790 123.5000 124.1000
A0-J2 126.9680 126.6420 100.7000 101.2000
A0-C1 22.5170 22.4910 123.5340 124.0940
G1-J2 56.1770 55.9930 62.2000 62.6000
G1-C1 67.5650 67.4880 303.5160 304.0770
J2-C1 106.5800 106.2810 275.9620 276.4960
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60738.0693842
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 50235
HIERARCH ESO INS SOBJ NAME HD_50235
RA 102.715458
DEC -34.36731
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 90.082
HIERARCH ESO ISS PBL12 END 89.979
HIERARCH ESO ISS PBLA12 START 123.5
HIERARCH ESO ISS PBLA12 END 124.1
HIERARCH ESO ISS PBL13 START 126.968
HIERARCH ESO ISS PBL13 END 126.642
HIERARCH ESO ISS PBLA13 START 100.7
HIERARCH ESO ISS PBLA13 END 101.2
HIERARCH ESO ISS PBL14 START 22.517
HIERARCH ESO ISS PBL14 END 22.491
HIERARCH ESO ISS PBLA14 START 123.534
HIERARCH ESO ISS PBLA14 END 124.094
HIERARCH ESO ISS PBL23 START 56.177
HIERARCH ESO ISS PBL23 END 55.993
HIERARCH ESO ISS PBLA23 START 62.2
HIERARCH ESO ISS PBLA23 END 62.6
HIERARCH ESO ISS PBL24 START 67.565
HIERARCH ESO ISS PBL24 END 67.488
HIERARCH ESO ISS PBLA24 START 303.516
HIERARCH ESO ISS PBLA24 END 304.077
HIERARCH ESO ISS PBL34 START 106.58
HIERARCH ESO ISS PBL34 END 106.281
HIERARCH ESO ISS PBLA34 START 275.962
HIERARCH ESO ISS PBLA34 END 276.496
HIERARCH ESO ISS AMBI TAU0 START 0.004995
HIERARCH ESO ISS AMBI TAU0 END 0.004995
HIERARCH ESO ISS AMBI TEMP 14.86
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.67