Exposure
ID
GRAVI.2025-11-28T05:37:16.947_1
Header ID
GRAVI.2025-11-28T05:37:16.947
Date updated
2025-11-28 05:52:11 UTC+0000
Release date
2025-11-28 05:37:16 UTC+0000
UTC Start
2025-11-28 05:37:16.947
UTC End
2025-11-28 05:39:56.947
MJD Start
61007.23422392
MJD End
61007.236075771856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006242
Ambient temperature (°C)
14.81
Seeing (arcsec)
0.54
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 42.9900 43.1450 137.3000 137.5000
A0-J2 115.7540 116.2940 70.4000 70.9000
A0-J6 169.1450 169.1230 9.1620 9.5790
B5-J2 106.4830 106.7430 48.6000 49.2000
B5-J6 198.5770 198.5800 359.3550 359.7130
J2-J6 152.1860 152.5680 327.3530 327.5910
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 61007.23422392
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 42.99
HIERARCH ESO ISS PBL12 END 43.145
HIERARCH ESO ISS PBLA12 START 137.3
HIERARCH ESO ISS PBLA12 END 137.5
HIERARCH ESO ISS PBL13 START 115.754
HIERARCH ESO ISS PBL13 END 116.294
HIERARCH ESO ISS PBLA13 START 70.4
HIERARCH ESO ISS PBLA13 END 70.9
HIERARCH ESO ISS PBL14 START 169.145
HIERARCH ESO ISS PBL14 END 169.123
HIERARCH ESO ISS PBLA14 START 9.162
HIERARCH ESO ISS PBLA14 END 9.579
HIERARCH ESO ISS PBL23 START 106.483
HIERARCH ESO ISS PBL23 END 106.743
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 49.2
HIERARCH ESO ISS PBL24 START 198.577
HIERARCH ESO ISS PBL24 END 198.58
HIERARCH ESO ISS PBLA24 START 359.355
HIERARCH ESO ISS PBLA24 END 359.713
HIERARCH ESO ISS PBL34 START 152.186
HIERARCH ESO ISS PBL34 END 152.568
HIERARCH ESO ISS PBLA34 START 327.353
HIERARCH ESO ISS PBLA34 END 327.591
HIERARCH ESO ISS AMBI TAU0 START 0.006283
HIERARCH ESO ISS AMBI TAU0 END 0.006201
HIERARCH ESO ISS AMBI TEMP 14.81
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.52