Exposure
- ID
- GRAVI.2024-03-26T09:15:09.691_2
- Header ID
- GRAVI.2024-03-26T09:15:09.691
- Date updated
- 2024-03-26 09:30:21 UTC+0000
- Release date
- 2025-03-26 09:30:21 UTC+0000
- UTC Start
- 2024-03-26 09:15:09.691
- UTC End
- 2024-03-26 09:21:09.691
- MJD Start
- 60395.38552883
- MJD End
- 60395.3896954967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010414
- Ambient temperature (°C)
- 14.56
- Seeing (arcsec)
- 0.545
Observation
- ID
- 58832
- Category
- science
- Program ID
- 112.25CV.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ WIDMANN/ DRESCHER/ RIBEIRO/ SADUN BORDONI/ STRAUBMEIER/ BRANDNER/ PERRIN/ ROUSSELET-PERRAUT/ GARCIA/ MANG/ PAUMARD/ ECKART/ VINCENT/ BOURDAROT/ LUTZ/ STURM/ CAO/ HORROBIN/ DE ZEEUW
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5530 | 56.5580 | 19.5000 | 20.3000 |
| U1-U3 | 102.3520 | 102.3910 | 25.7000 | 26.5000 |
| U1-U4 | 128.8920 | 129.2350 | 53.2590 | 54.1570 |
| U2-U3 | 46.5260 | 46.5670 | 33.2000 | 34.1000 |
| U2-U4 | 87.6730 | 88.0680 | 74.2460 | 75.1020 |
| U3-U4 | 60.7960 | 61.1230 | 104.3990 | 105.1040 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25CV.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60395.38552883 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416828 |
| DEC | -29.00732 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.553 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 19.5 |
| HIERARCH ESO ISS PBLA12 END | 20.3 |
| HIERARCH ESO ISS PBL13 START | 102.352 |
| HIERARCH ESO ISS PBL13 END | 102.391 |
| HIERARCH ESO ISS PBLA13 START | 25.7 |
| HIERARCH ESO ISS PBLA13 END | 26.5 |
| HIERARCH ESO ISS PBL14 START | 128.892 |
| HIERARCH ESO ISS PBL14 END | 129.235 |
| HIERARCH ESO ISS PBLA14 START | 53.259 |
| HIERARCH ESO ISS PBLA14 END | 54.157 |
| HIERARCH ESO ISS PBL23 START | 46.526 |
| HIERARCH ESO ISS PBL23 END | 46.567 |
| HIERARCH ESO ISS PBLA23 START | 33.2 |
| HIERARCH ESO ISS PBLA23 END | 34.1 |
| HIERARCH ESO ISS PBL24 START | 87.673 |
| HIERARCH ESO ISS PBL24 END | 88.068 |
| HIERARCH ESO ISS PBLA24 START | 74.246 |
| HIERARCH ESO ISS PBLA24 END | 75.102 |
| HIERARCH ESO ISS PBL34 START | 60.796 |
| HIERARCH ESO ISS PBL34 END | 61.123 |
| HIERARCH ESO ISS PBLA34 START | 104.399 |
| HIERARCH ESO ISS PBLA34 END | 105.104 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010414 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010414 |
| HIERARCH ESO ISS AMBI TEMP | 14.56 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |