Exposure
ID
GRAVI.2025-11-28T05:50:28.981_1
Header ID
GRAVI.2025-11-28T05:50:28.981
Date updated
2025-11-28 06:01:42 UTC+0000
Release date
2025-11-28 05:50:28 UTC+0000
UTC Start
2025-11-28 05:50:28.981
UTC End
2025-11-28 05:53:08.981
MJD Start
61007.24339098
MJD End
61007.24524283186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006621500000000001
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.45499999999999996
Observation
ID
71887
Category
calibrator
Program ID
116.28P0.001
Program Title
UNVEILING 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 / ERCOLINO / JANIK
Target
ID
53368
Name
HD_61642
RA
114.63428
DEC
-38.78169
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 43.6590 43.8010 138.4000 138.6000
A0-J2 118.1010 118.6000 72.8000 73.4000
A0-J6 169.0330 169.0030 11.0220 11.4360
B5-J2 107.6130 107.8530 51.2000 51.7000
B5-J6 198.5730 198.5660 0.9570 1.3150
J2-J6 153.8420 154.1940 328.4390 328.6890
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61007.24339098
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 61642
HIERARCH ESO INS SOBJ NAME HD_61642
RA 114.63428
DEC -38.78169
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 43.659
HIERARCH ESO ISS PBL12 END 43.801
HIERARCH ESO ISS PBLA12 START 138.4
HIERARCH ESO ISS PBLA12 END 138.6
HIERARCH ESO ISS PBL13 START 118.101
HIERARCH ESO ISS PBL13 END 118.6
HIERARCH ESO ISS PBLA13 START 72.8
HIERARCH ESO ISS PBLA13 END 73.4
HIERARCH ESO ISS PBL14 START 169.033
HIERARCH ESO ISS PBL14 END 169.003
HIERARCH ESO ISS PBLA14 START 11.022
HIERARCH ESO ISS PBLA14 END 11.436
HIERARCH ESO ISS PBL23 START 107.613
HIERARCH ESO ISS PBL23 END 107.853
HIERARCH ESO ISS PBLA23 START 51.2
HIERARCH ESO ISS PBLA23 END 51.7
HIERARCH ESO ISS PBL24 START 198.573
HIERARCH ESO ISS PBL24 END 198.566
HIERARCH ESO ISS PBLA24 START 0.957
HIERARCH ESO ISS PBLA24 END 1.315
HIERARCH ESO ISS PBL34 START 153.842
HIERARCH ESO ISS PBL34 END 154.194
HIERARCH ESO ISS PBLA34 START 328.439
HIERARCH ESO ISS PBLA34 END 328.689
HIERARCH ESO ISS AMBI TAU0 START 0.006453
HIERARCH ESO ISS AMBI TAU0 END 0.00679
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.44