Exposure
ID
GRAVI.2025-01-09T07:13:43.956_1
Header ID
GRAVI.2025-01-09T07:13:43.956
Date updated
2025-01-09 07:25:44 UTC+0000
Release date
2025-01-09 07:13:43 UTC+0000
UTC Start
2025-01-09 07:13:43.956
UTC End
2025-01-09 07:16:23.956
MJD Start
60684.3012032
MJD End
60684.30305505185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006223
Ambient temperature (°C)
14.66
Seeing (arcsec)
1.03
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 45.3750 45.3370 169.9000 170.3000
A0-J2 105.1620 104.2390 103.9000 104.2000
A0-J6 167.3590 167.1480 35.7030 35.7880
B5-J2 96.0700 95.3540 78.4000 78.5000
B5-J6 201.6150 201.5530 26.4100 26.5600
J2-J6 161.2400 161.2260 358.4270 358.8230
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 60684.3012032
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 45.375
HIERARCH ESO ISS PBL12 END 45.337
HIERARCH ESO ISS PBLA12 START 169.9
HIERARCH ESO ISS PBLA12 END 170.3
HIERARCH ESO ISS PBL13 START 105.162
HIERARCH ESO ISS PBL13 END 104.239
HIERARCH ESO ISS PBLA13 START 103.9
HIERARCH ESO ISS PBLA13 END 104.2
HIERARCH ESO ISS PBL14 START 167.359
HIERARCH ESO ISS PBL14 END 167.148
HIERARCH ESO ISS PBLA14 START 35.703
HIERARCH ESO ISS PBLA14 END 35.788
HIERARCH ESO ISS PBL23 START 96.07
HIERARCH ESO ISS PBL23 END 95.354
HIERARCH ESO ISS PBLA23 START 78.4
HIERARCH ESO ISS PBLA23 END 78.5
HIERARCH ESO ISS PBL24 START 201.615
HIERARCH ESO ISS PBL24 END 201.553
HIERARCH ESO ISS PBLA24 START 26.41
HIERARCH ESO ISS PBLA24 END 26.56
HIERARCH ESO ISS PBL34 START 161.24
HIERARCH ESO ISS PBL34 END 161.226
HIERARCH ESO ISS PBLA34 START 358.427
HIERARCH ESO ISS PBLA34 END 358.823
HIERARCH ESO ISS AMBI TAU0 START 0.007229
HIERARCH ESO ISS AMBI TAU0 END 0.005217
HIERARCH ESO ISS AMBI TEMP 14.66
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 1.38