Exposure
- ID
- GRAVI.2024-03-26T07:01:24.351_2
- Header ID
- GRAVI.2024-03-26T07:01:24.351
- Date updated
- 2024-03-26 07:15:31 UTC+0000
- Release date
- 2025-03-26 07:15:31 UTC+0000
- UTC Start
- 2024-03-26 07:01:24.351
- UTC End
- 2024-03-26 07:07:24.351
- MJD Start
- 60395.29264295
- MJD End
- 60395.2968096167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006828
- Ambient temperature (°C)
- 14.52
- Seeing (arcsec)
- 0.78
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 | 56.2290 | 56.2330 | 1.1000 | 2.0000 |
| U1-U3 | 100.7460 | 100.7960 | 5.9000 | 6.9000 |
| U1-U4 | 115.2640 | 116.0020 | 29.3670 | 30.7810 |
| U2-U3 | 44.9570 | 45.0230 | 11.9000 | 13.0000 |
| U2-U4 | 70.9300 | 71.9740 | 51.4190 | 52.8520 |
| U3-U4 | 46.2020 | 47.2230 | 89.7130 | 90.4920 |
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 | 60395.29264295 |
| 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 | 56.229 |
| HIERARCH ESO ISS PBL12 END | 56.233 |
| HIERARCH ESO ISS PBLA12 START | 1.1 |
| HIERARCH ESO ISS PBLA12 END | 2.0 |
| HIERARCH ESO ISS PBL13 START | 100.746 |
| HIERARCH ESO ISS PBL13 END | 100.796 |
| HIERARCH ESO ISS PBLA13 START | 5.9 |
| HIERARCH ESO ISS PBLA13 END | 6.9 |
| HIERARCH ESO ISS PBL14 START | 115.264 |
| HIERARCH ESO ISS PBL14 END | 116.002 |
| HIERARCH ESO ISS PBLA14 START | 29.367 |
| HIERARCH ESO ISS PBLA14 END | 30.781 |
| HIERARCH ESO ISS PBL23 START | 44.957 |
| HIERARCH ESO ISS PBL23 END | 45.023 |
| HIERARCH ESO ISS PBLA23 START | 11.9 |
| HIERARCH ESO ISS PBLA23 END | 13.0 |
| HIERARCH ESO ISS PBL24 START | 70.93 |
| HIERARCH ESO ISS PBL24 END | 71.974 |
| HIERARCH ESO ISS PBLA24 START | 51.419 |
| HIERARCH ESO ISS PBLA24 END | 52.852 |
| HIERARCH ESO ISS PBL34 START | 46.202 |
| HIERARCH ESO ISS PBL34 END | 47.223 |
| HIERARCH ESO ISS PBLA34 START | 89.713 |
| HIERARCH ESO ISS PBLA34 END | 90.492 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007444 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006212 |
| HIERARCH ESO ISS AMBI TEMP | 14.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.91 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |