Exposure
- ID
- GRAVI.2023-01-13T05:44:19.692_2
- Header ID
- GRAVI.2023-01-13T05:44:19.692
- Date updated
- 2023-01-13 05:51:22 UTC+0000
- Release date
- 2023-01-13 05:51:22 UTC+0000
- UTC Start
- 2023-01-13 05:44:19.692
- UTC End
- 2023-01-13 05:44:29.292
- MJD Start
- 59957.23911681
- MJD End
- 59957.2392279211
- Exposure time (s)
- 9.6
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00464
- Ambient temperature (°C)
- 11.91
- Seeing (arcsec)
- 0.645
Observation
- ID
- 53834
- Category
- science
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY, P
Target
- ID
- 40018
- Name
- VY_CMa
- RA
- 110.743025
- DEC
- -25.7675538888889
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 25.0780 | 25.0750 | 150.8000 | 150.9000 |
| A0-D0 | 30.8750 | 30.8610 | 78.0000 | 78.0000 |
| A0-C1 | 22.0580 | 22.0510 | 124.3760 | 124.4380 |
| B2-D0 | 33.5500 | 33.5450 | 32.4000 | 32.4000 |
| B2-C1 | 11.1760 | 11.1740 | 32.3510 | 32.3860 |
| D0-C1 | 22.3740 | 22.3710 | 212.4140 | 212.4490 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9801(U) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59957.23911681 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | V VY CMa |
| HIERARCH ESO INS SOBJ NAME | Nothing |
| RA | 110.740999 |
| DEC | -25.76754 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 32.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 25.078 |
| HIERARCH ESO ISS PBL12 END | 25.075 |
| HIERARCH ESO ISS PBLA12 START | 150.8 |
| HIERARCH ESO ISS PBLA12 END | 150.9 |
| HIERARCH ESO ISS PBL13 START | 30.875 |
| HIERARCH ESO ISS PBL13 END | 30.861 |
| HIERARCH ESO ISS PBLA13 START | 78.0 |
| HIERARCH ESO ISS PBLA13 END | 78.0 |
| HIERARCH ESO ISS PBL14 START | 22.058 |
| HIERARCH ESO ISS PBL14 END | 22.051 |
| HIERARCH ESO ISS PBLA14 START | 124.376 |
| HIERARCH ESO ISS PBLA14 END | 124.438 |
| HIERARCH ESO ISS PBL23 START | 33.55 |
| HIERARCH ESO ISS PBL23 END | 33.545 |
| HIERARCH ESO ISS PBLA23 START | 32.4 |
| HIERARCH ESO ISS PBLA23 END | 32.4 |
| HIERARCH ESO ISS PBL24 START | 11.176 |
| HIERARCH ESO ISS PBL24 END | 11.174 |
| HIERARCH ESO ISS PBLA24 START | 32.351 |
| HIERARCH ESO ISS PBLA24 END | 32.386 |
| HIERARCH ESO ISS PBL34 START | 22.374 |
| HIERARCH ESO ISS PBL34 END | 22.371 |
| HIERARCH ESO ISS PBLA34 START | 212.414 |
| HIERARCH ESO ISS PBLA34 END | 212.449 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00464 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00464 |
| HIERARCH ESO ISS AMBI TEMP | 11.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | VY_CMa |
| HIERARCH ESO FT ROBJ ALPHA | 072258.326 |
| HIERARCH ESO FT ROBJ DELTA | -254603.194 |