Exposure
- ID
- GRAVI.2024-03-26T06:49:54.322_2
- Header ID
- GRAVI.2024-03-26T06:49:54.322
- Date updated
- 2024-03-26 07:05:28 UTC+0000
- Release date
- 2025-03-26 07:05:28 UTC+0000
- UTC Start
- 2024-03-26 06:49:54.322
- UTC End
- 2024-03-26 06:55:54.322
- MJD Start
- 60395.2846565
- MJD End
- 60395.2888231667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006297
- Ambient temperature (°C)
- 14.66
- Seeing (arcsec)
- 0.77
Observation
- ID
- 58830
- 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
- 43558
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816666667
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 | 56.2280 | 56.2280 | 359.4000 | 0.4000 |
| U1-U3 | 100.6750 | 100.7110 | 4.0000 | 5.1000 |
| U1-U4 | 113.9820 | 114.6940 | 26.7630 | 28.2340 |
| U2-U3 | 44.8530 | 44.9100 | 9.8000 | 11.0000 |
| U2-U4 | 69.0470 | 70.1030 | 48.7260 | 50.2560 |
| U3-U4 | 44.3040 | 45.3790 | 88.2680 | 89.0860 |
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 | 60395.2846565 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| 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 | 56.228 |
| HIERARCH ESO ISS PBL12 END | 56.228 |
| HIERARCH ESO ISS PBLA12 START | 359.4 |
| HIERARCH ESO ISS PBLA12 END | 0.4 |
| HIERARCH ESO ISS PBL13 START | 100.675 |
| HIERARCH ESO ISS PBL13 END | 100.711 |
| HIERARCH ESO ISS PBLA13 START | 4.0 |
| HIERARCH ESO ISS PBLA13 END | 5.1 |
| HIERARCH ESO ISS PBL14 START | 113.982 |
| HIERARCH ESO ISS PBL14 END | 114.694 |
| HIERARCH ESO ISS PBLA14 START | 26.763 |
| HIERARCH ESO ISS PBLA14 END | 28.234 |
| HIERARCH ESO ISS PBL23 START | 44.853 |
| HIERARCH ESO ISS PBL23 END | 44.91 |
| HIERARCH ESO ISS PBLA23 START | 9.8 |
| HIERARCH ESO ISS PBLA23 END | 11.0 |
| HIERARCH ESO ISS PBL24 START | 69.047 |
| HIERARCH ESO ISS PBL24 END | 70.103 |
| HIERARCH ESO ISS PBLA24 START | 48.726 |
| HIERARCH ESO ISS PBLA24 END | 50.256 |
| HIERARCH ESO ISS PBL34 START | 44.304 |
| HIERARCH ESO ISS PBL34 END | 45.379 |
| HIERARCH ESO ISS PBLA34 START | 88.268 |
| HIERARCH ESO ISS PBLA34 END | 89.086 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00642 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006174 |
| HIERARCH ESO ISS AMBI TEMP | 14.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |