Exposure
ID
GRAVI.2025-02-22T03:25:35.401_1
Header ID
GRAVI.2025-02-22T03:25:35.401
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-22 03:25:35 UTC+0000
UTC Start
2025-02-22 03:25:35.401
UTC End
2025-02-22 03:28:15.401
MJD Start
60728.14277085
MJD End
60728.14462270185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.009278499999999999
Ambient temperature (°C)
15.16
Seeing (arcsec)
0.6699999999999999
Observation
ID
64781
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
48242
Name
HD_57478
RA
110.241635
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 46.3110 46.2520 161.8000 162.2000
A0-J2 119.4700 118.8490 99.0000 99.2000
A0-J6 169.5990 169.5560 33.3540 33.5170
B5-J2 106.5890 106.1620 76.2000 76.4000
B5-J6 201.6730 201.7170 22.9900 23.2040
J2-J6 162.2030 162.1200 351.2170 351.5940
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 60728.14277085
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 57478
HIERARCH ESO INS SOBJ NAME HD_57478
RA 110.241635
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 46.311
HIERARCH ESO ISS PBL12 END 46.252
HIERARCH ESO ISS PBLA12 START 161.8
HIERARCH ESO ISS PBLA12 END 162.2
HIERARCH ESO ISS PBL13 START 119.47
HIERARCH ESO ISS PBL13 END 118.849
HIERARCH ESO ISS PBLA13 START 99.0
HIERARCH ESO ISS PBLA13 END 99.2
HIERARCH ESO ISS PBL14 START 169.599
HIERARCH ESO ISS PBL14 END 169.556
HIERARCH ESO ISS PBLA14 START 33.354
HIERARCH ESO ISS PBLA14 END 33.517
HIERARCH ESO ISS PBL23 START 106.589
HIERARCH ESO ISS PBL23 END 106.162
HIERARCH ESO ISS PBLA23 START 76.2
HIERARCH ESO ISS PBLA23 END 76.4
HIERARCH ESO ISS PBL24 START 201.673
HIERARCH ESO ISS PBL24 END 201.717
HIERARCH ESO ISS PBLA24 START 22.99
HIERARCH ESO ISS PBLA24 END 23.204
HIERARCH ESO ISS PBL34 START 162.203
HIERARCH ESO ISS PBL34 END 162.12
HIERARCH ESO ISS PBLA34 START 351.217
HIERARCH ESO ISS PBLA34 END 351.594
HIERARCH ESO ISS AMBI TAU0 START 0.008759
HIERARCH ESO ISS AMBI TAU0 END 0.009798
HIERARCH ESO ISS AMBI TEMP 15.16
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.65