Exposure
- ID
- GRAVI.2023-06-02T07:39:53.406_2
- Header ID
- GRAVI.2023-06-02T07:39:53.406
- Date updated
- 2023-06-02 07:56:23 UTC+0000
- Release date
- 2024-06-02 07:56:22 UTC+0000
- UTC Start
- 2023-06-02 07:39:53.406
- UTC End
- 2023-06-02 07:45:53.406
- MJD Start
- 60097.31936812
- MJD End
- 60097.3235347867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008613
- Ambient temperature (°C)
- 15.66
- Seeing (arcsec)
- 0.445
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- 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/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
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 | 54.1330 | 53.8860 | 36.1000 | 36.5000 |
| U1-U3 | 96.9330 | 96.3610 | 42.4000 | 42.8000 |
| U1-U4 | 118.1820 | 116.8550 | 71.9970 | 72.5800 |
| U2-U3 | 43.5370 | 43.2080 | 50.3000 | 50.7000 |
| U2-U4 | 80.8260 | 79.8550 | 95.1190 | 95.9770 |
| U3-U4 | 58.6400 | 58.2030 | 126.6900 | 127.8060 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60097.31936812 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416531 |
| DEC | -29.00733 |
| 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 | 54.133 |
| HIERARCH ESO ISS PBL12 END | 53.886 |
| HIERARCH ESO ISS PBLA12 START | 36.1 |
| HIERARCH ESO ISS PBLA12 END | 36.5 |
| HIERARCH ESO ISS PBL13 START | 96.933 |
| HIERARCH ESO ISS PBL13 END | 96.361 |
| HIERARCH ESO ISS PBLA13 START | 42.4 |
| HIERARCH ESO ISS PBLA13 END | 42.8 |
| HIERARCH ESO ISS PBL14 START | 118.182 |
| HIERARCH ESO ISS PBL14 END | 116.855 |
| HIERARCH ESO ISS PBLA14 START | 71.997 |
| HIERARCH ESO ISS PBLA14 END | 72.58 |
| HIERARCH ESO ISS PBL23 START | 43.537 |
| HIERARCH ESO ISS PBL23 END | 43.208 |
| HIERARCH ESO ISS PBLA23 START | 50.3 |
| HIERARCH ESO ISS PBLA23 END | 50.7 |
| HIERARCH ESO ISS PBL24 START | 80.826 |
| HIERARCH ESO ISS PBL24 END | 79.855 |
| HIERARCH ESO ISS PBLA24 START | 95.119 |
| HIERARCH ESO ISS PBLA24 END | 95.977 |
| HIERARCH ESO ISS PBL34 START | 58.64 |
| HIERARCH ESO ISS PBL34 END | 58.203 |
| HIERARCH ESO ISS PBLA34 START | 126.69 |
| HIERARCH ESO ISS PBLA34 END | 127.806 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008914 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008312 |
| HIERARCH ESO ISS AMBI TEMP | 15.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |