Exposure
- ID
- GRAVI.2024-03-26T08:45:45.616_2
- Header ID
- GRAVI.2024-03-26T08:45:45.616
- Date updated
- 2024-03-26 09:00:26 UTC+0000
- Release date
- 2025-03-26 09:00:26 UTC+0000
- UTC Start
- 2024-03-26 08:45:45.616
- UTC End
- 2024-03-26 08:51:45.616
- MJD Start
- 60395.3651113
- MJD End
- 60395.3692779667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0083285
- Ambient temperature (°C)
- 14.5
- Seeing (arcsec)
- 0.76
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 | 56.4920 | 56.5090 | 15.8000 | 16.6000 |
| U1-U3 | 102.0600 | 102.1370 | 21.8000 | 22.6000 |
| U1-U4 | 126.7800 | 127.3130 | 48.9140 | 49.9020 |
| U2-U3 | 46.2570 | 46.3260 | 29.1000 | 30.0000 |
| U2-U4 | 85.2820 | 85.8840 | 70.1560 | 71.0800 |
| U3-U4 | 58.8560 | 59.3440 | 101.2420 | 101.9260 |
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 | 60395.3651113 |
| 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 | 56.492 |
| HIERARCH ESO ISS PBL12 END | 56.509 |
| HIERARCH ESO ISS PBLA12 START | 15.8 |
| HIERARCH ESO ISS PBLA12 END | 16.6 |
| HIERARCH ESO ISS PBL13 START | 102.06 |
| HIERARCH ESO ISS PBL13 END | 102.137 |
| HIERARCH ESO ISS PBLA13 START | 21.8 |
| HIERARCH ESO ISS PBLA13 END | 22.6 |
| HIERARCH ESO ISS PBL14 START | 126.78 |
| HIERARCH ESO ISS PBL14 END | 127.313 |
| HIERARCH ESO ISS PBLA14 START | 48.914 |
| HIERARCH ESO ISS PBLA14 END | 49.902 |
| HIERARCH ESO ISS PBL23 START | 46.257 |
| HIERARCH ESO ISS PBL23 END | 46.326 |
| HIERARCH ESO ISS PBLA23 START | 29.1 |
| HIERARCH ESO ISS PBLA23 END | 30.0 |
| HIERARCH ESO ISS PBL24 START | 85.282 |
| HIERARCH ESO ISS PBL24 END | 85.884 |
| HIERARCH ESO ISS PBLA24 START | 70.156 |
| HIERARCH ESO ISS PBLA24 END | 71.08 |
| HIERARCH ESO ISS PBL34 START | 58.856 |
| HIERARCH ESO ISS PBL34 END | 59.344 |
| HIERARCH ESO ISS PBLA34 START | 101.242 |
| HIERARCH ESO ISS PBLA34 END | 101.926 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00851 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008147 |
| HIERARCH ESO ISS AMBI TEMP | 14.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |