Exposure
- ID
- GRAVI.2023-07-06T04:23:01.981_2
- Header ID
- GRAVI.2023-07-06T04:23:01.981
- Date updated
- 2023-07-06 04:36:22 UTC+0000
- Release date
- 2024-07-06 04:36:22 UTC+0000
- UTC Start
- 2023-07-06 04:23:01.981
- UTC End
- 2023-07-06 04:29:01.981
- MJD Start
- 60131.18266182
- MJD End
- 60131.1868284867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003436
- Ambient temperature (°C)
- 13.05
- Seeing (arcsec)
- 1.05
Observation
- ID
- 56080
- Category
- science
- Program ID
- 111.24H1.003
- 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 | 55.8390 | 55.7180 | 31.0000 | 31.6000 |
| U1-U3 | 100.8940 | 100.6130 | 37.4000 | 38.0000 |
| U1-U4 | 127.4170 | 126.7740 | 65.9270 | 66.5900 |
| U2-U3 | 45.8230 | 45.6610 | 45.2000 | 45.8000 |
| U2-U4 | 87.6360 | 87.1660 | 87.2960 | 88.0740 |
| U3-U4 | 61.8020 | 61.5860 | 117.0940 | 117.9890 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60131.18266182 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416914 |
| DEC | -29.00711 |
| 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 | 55.839 |
| HIERARCH ESO ISS PBL12 END | 55.718 |
| HIERARCH ESO ISS PBLA12 START | 31.0 |
| HIERARCH ESO ISS PBLA12 END | 31.6 |
| HIERARCH ESO ISS PBL13 START | 100.894 |
| HIERARCH ESO ISS PBL13 END | 100.613 |
| HIERARCH ESO ISS PBLA13 START | 37.4 |
| HIERARCH ESO ISS PBLA13 END | 38.0 |
| HIERARCH ESO ISS PBL14 START | 127.417 |
| HIERARCH ESO ISS PBL14 END | 126.774 |
| HIERARCH ESO ISS PBLA14 START | 65.927 |
| HIERARCH ESO ISS PBLA14 END | 66.59 |
| HIERARCH ESO ISS PBL23 START | 45.823 |
| HIERARCH ESO ISS PBL23 END | 45.661 |
| HIERARCH ESO ISS PBLA23 START | 45.2 |
| HIERARCH ESO ISS PBLA23 END | 45.8 |
| HIERARCH ESO ISS PBL24 START | 87.636 |
| HIERARCH ESO ISS PBL24 END | 87.166 |
| HIERARCH ESO ISS PBLA24 START | 87.296 |
| HIERARCH ESO ISS PBLA24 END | 88.074 |
| HIERARCH ESO ISS PBL34 START | 61.802 |
| HIERARCH ESO ISS PBL34 END | 61.586 |
| HIERARCH ESO ISS PBLA34 START | 117.094 |
| HIERARCH ESO ISS PBLA34 END | 117.989 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003386 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003486 |
| HIERARCH ESO ISS AMBI TEMP | 13.05 |
| HIERARCH ESO ISS AMBI FWHM START | 0.96 |
| HIERARCH ESO ISS AMBI FWHM END | 1.14 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |