Exposure
ID
GRAVI.2025-01-04T02:21:11.651_1
Header ID
GRAVI.2025-01-04T02:21:11.651
Date updated
2025-01-04 02:30:45 UTC+0000
Release date
2025-01-04 02:21:11 UTC+0000
UTC Start
2025-01-04 02:21:11.651
UTC End
2025-01-04 02:23:51.651
MJD Start
60679.09805152
MJD End
60679.099903371854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005154499999999999
Ambient temperature (°C)
12.72
Seeing (arcsec)
0.655
Observation
ID
63094
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
JADLOVSKý / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
47004
Name
HD_57478
RA
110.241636
DEC
-14.36049
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 47.2280 47.3170 141.9000 141.9000
A0-J2 99.3550 100.3690 81.2000 81.4000
A0-J6 158.9480 159.0130 4.8210 5.2720
B5-J2 86.6550 87.3590 52.8000 53.3000
B5-J6 196.1670 196.1200 355.3780 355.7370
J2-J6 166.3570 166.5020 329.3520 329.4520
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 60679.09805152
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 57478
HIERARCH ESO INS SOBJ NAME HD_57478
RA 110.241636
DEC -14.36049
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 47.228
HIERARCH ESO ISS PBL12 END 47.317
HIERARCH ESO ISS PBLA12 START 141.9
HIERARCH ESO ISS PBLA12 END 141.9
HIERARCH ESO ISS PBL13 START 99.355
HIERARCH ESO ISS PBL13 END 100.369
HIERARCH ESO ISS PBLA13 START 81.2
HIERARCH ESO ISS PBLA13 END 81.4
HIERARCH ESO ISS PBL14 START 158.948
HIERARCH ESO ISS PBL14 END 159.013
HIERARCH ESO ISS PBLA14 START 4.821
HIERARCH ESO ISS PBLA14 END 5.272
HIERARCH ESO ISS PBL23 START 86.655
HIERARCH ESO ISS PBL23 END 87.359
HIERARCH ESO ISS PBLA23 START 52.8
HIERARCH ESO ISS PBLA23 END 53.3
HIERARCH ESO ISS PBL24 START 196.167
HIERARCH ESO ISS PBL24 END 196.12
HIERARCH ESO ISS PBLA24 START 355.378
HIERARCH ESO ISS PBLA24 END 355.737
HIERARCH ESO ISS PBL34 START 166.357
HIERARCH ESO ISS PBL34 END 166.502
HIERARCH ESO ISS PBLA34 START 329.352
HIERARCH ESO ISS PBLA34 END 329.452
HIERARCH ESO ISS AMBI TAU0 START 0.004626
HIERARCH ESO ISS AMBI TAU0 END 0.005683
HIERARCH ESO ISS AMBI TEMP 12.72
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.61