Exposure
- ID
- GRAVI.2022-05-23T05:39:12.528_2
- Header ID
- GRAVI.2022-05-23T05:39:12.528
- Date updated
- 2022-05-23 05:55:51 UTC+0000
- Release date
- 2023-05-23 05:55:51 UTC+0000
- UTC Start
- 2022-05-23 05:39:12.528
- UTC End
- 2022-05-23 05:44:32.528
- MJD Start
- 59722.23556167
- MJD End
- 59722.2392653737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006092
- Ambient temperature (°C)
- 11.32
- Seeing (arcsec)
- 0.615
Observation
- ID
- 50947
- Category
- science
- Program ID
- 109.22ZA.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/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
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 | 56.5600 | 56.5580 | 20.8000 | 21.5000 |
| U1-U3 | 102.4070 | 102.4260 | 27.0000 | 27.7000 |
| U1-U4 | 129.4070 | 129.6450 | 54.6600 | 55.4320 |
| U2-U3 | 46.5860 | 46.6110 | 34.6000 | 35.3000 |
| U2-U4 | 88.2700 | 88.5550 | 75.5860 | 76.3300 |
| U3-U4 | 61.2910 | 61.5320 | 105.5100 | 106.1440 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59722.23556167 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416276 |
| DEC | -29.00737 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.56 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 20.8 |
| HIERARCH ESO ISS PBLA12 END | 21.5 |
| HIERARCH ESO ISS PBL13 START | 102.407 |
| HIERARCH ESO ISS PBL13 END | 102.426 |
| HIERARCH ESO ISS PBLA13 START | 27.0 |
| HIERARCH ESO ISS PBLA13 END | 27.7 |
| HIERARCH ESO ISS PBL14 START | 129.407 |
| HIERARCH ESO ISS PBL14 END | 129.645 |
| HIERARCH ESO ISS PBLA14 START | 54.66 |
| HIERARCH ESO ISS PBLA14 END | 55.432 |
| HIERARCH ESO ISS PBL23 START | 46.586 |
| HIERARCH ESO ISS PBL23 END | 46.611 |
| HIERARCH ESO ISS PBLA23 START | 34.6 |
| HIERARCH ESO ISS PBLA23 END | 35.3 |
| HIERARCH ESO ISS PBL24 START | 88.27 |
| HIERARCH ESO ISS PBL24 END | 88.555 |
| HIERARCH ESO ISS PBLA24 START | 75.586 |
| HIERARCH ESO ISS PBLA24 END | 76.33 |
| HIERARCH ESO ISS PBL34 START | 61.291 |
| HIERARCH ESO ISS PBL34 END | 61.532 |
| HIERARCH ESO ISS PBLA34 START | 105.51 |
| HIERARCH ESO ISS PBLA34 END | 106.144 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006413 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005771 |
| HIERARCH ESO ISS AMBI TEMP | 11.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |