Exposure
- ID
- GRAVI.2021-06-25T01:38:33.013_2
- Header ID
- GRAVI.2021-06-25T01:38:33.013
- Date updated
- 2021-06-25 01:50:26 UTC+0000
- Release date
- 2022-06-25 01:50:26 UTC+0000
- UTC Start
- 2021-06-25 01:38:33.013
- UTC End
- 2021-06-25 01:43:53.013
- MJD Start
- 59390.06843765
- MJD End
- 59390.0721413537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0052925
- Ambient temperature (°C)
- 10.54
- Seeing (arcsec)
- 0.53
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 56.2770 | 56.2900 | 6.0000 | 6.8000 |
| U1-U3 | 101.0860 | 101.1590 | 11.3000 | 12.2000 |
| U1-U4 | 119.2580 | 119.9380 | 36.5180 | 37.6470 |
| U2-U3 | 45.3470 | 45.4210 | 17.9000 | 18.8000 |
| U2-U4 | 76.3160 | 77.1790 | 58.4990 | 59.5820 |
| U3-U4 | 51.2600 | 52.0290 | 93.6760 | 94.3140 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.06843765 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41688 |
| DEC | -29.00716 |
| 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 | 56.277 |
| HIERARCH ESO ISS PBL12 END | 56.29 |
| HIERARCH ESO ISS PBLA12 START | 6.0 |
| HIERARCH ESO ISS PBLA12 END | 6.8 |
| HIERARCH ESO ISS PBL13 START | 101.086 |
| HIERARCH ESO ISS PBL13 END | 101.159 |
| HIERARCH ESO ISS PBLA13 START | 11.3 |
| HIERARCH ESO ISS PBLA13 END | 12.2 |
| HIERARCH ESO ISS PBL14 START | 119.258 |
| HIERARCH ESO ISS PBL14 END | 119.938 |
| HIERARCH ESO ISS PBLA14 START | 36.518 |
| HIERARCH ESO ISS PBLA14 END | 37.647 |
| HIERARCH ESO ISS PBL23 START | 45.347 |
| HIERARCH ESO ISS PBL23 END | 45.421 |
| HIERARCH ESO ISS PBLA23 START | 17.9 |
| HIERARCH ESO ISS PBLA23 END | 18.8 |
| HIERARCH ESO ISS PBL24 START | 76.316 |
| HIERARCH ESO ISS PBL24 END | 77.179 |
| HIERARCH ESO ISS PBLA24 START | 58.499 |
| HIERARCH ESO ISS PBLA24 END | 59.582 |
| HIERARCH ESO ISS PBL34 START | 51.26 |
| HIERARCH ESO ISS PBL34 END | 52.029 |
| HIERARCH ESO ISS PBLA34 START | 93.676 |
| HIERARCH ESO ISS PBLA34 END | 94.314 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004906 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005679 |
| HIERARCH ESO ISS AMBI TEMP | 10.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |