Exposure
- ID
- GRAVI.2023-07-06T05:28:50.159_2
- Header ID
- GRAVI.2023-07-06T05:28:50.159
- Date updated
- 2023-07-06 05:46:19 UTC+0000
- Release date
- 2024-07-06 05:46:19 UTC+0000
- UTC Start
- 2023-07-06 05:28:50.159
- UTC End
- 2023-07-06 05:34:50.159
- MJD Start
- 60131.22835832
- MJD End
- 60131.2325249867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004713
- Ambient temperature (°C)
- 12.79
- Seeing (arcsec)
- 0.765
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 | 54.0360 | 53.7830 | 36.3000 | 36.7000 |
| U1-U3 | 96.7070 | 96.1230 | 42.6000 | 43.0000 |
| U1-U4 | 117.6580 | 116.3030 | 72.2310 | 72.8120 |
| U2-U3 | 43.4070 | 43.0710 | 50.4000 | 50.9000 |
| U2-U4 | 80.4430 | 79.4520 | 95.4610 | 96.3240 |
| U3-U4 | 58.4670 | 58.0230 | 127.1340 | 128.2610 |
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 | 60131.22835832 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416828 |
| DEC | -29.00715 |
| 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 | 54.036 |
| HIERARCH ESO ISS PBL12 END | 53.783 |
| HIERARCH ESO ISS PBLA12 START | 36.3 |
| HIERARCH ESO ISS PBLA12 END | 36.7 |
| HIERARCH ESO ISS PBL13 START | 96.707 |
| HIERARCH ESO ISS PBL13 END | 96.123 |
| HIERARCH ESO ISS PBLA13 START | 42.6 |
| HIERARCH ESO ISS PBLA13 END | 43.0 |
| HIERARCH ESO ISS PBL14 START | 117.658 |
| HIERARCH ESO ISS PBL14 END | 116.303 |
| HIERARCH ESO ISS PBLA14 START | 72.231 |
| HIERARCH ESO ISS PBLA14 END | 72.812 |
| HIERARCH ESO ISS PBL23 START | 43.407 |
| HIERARCH ESO ISS PBL23 END | 43.071 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.9 |
| HIERARCH ESO ISS PBL24 START | 80.443 |
| HIERARCH ESO ISS PBL24 END | 79.452 |
| HIERARCH ESO ISS PBLA24 START | 95.461 |
| HIERARCH ESO ISS PBLA24 END | 96.324 |
| HIERARCH ESO ISS PBL34 START | 58.467 |
| HIERARCH ESO ISS PBL34 END | 58.023 |
| HIERARCH ESO ISS PBLA34 START | 127.134 |
| HIERARCH ESO ISS PBLA34 END | 128.261 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004506 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00492 |
| HIERARCH ESO ISS AMBI TEMP | 12.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |