Exposure
- ID
- GRAVI.2021-06-25T03:13:42.253_2
- Header ID
- GRAVI.2021-06-25T03:13:42.253
- Date updated
- 2021-06-25 03:30:30 UTC+0000
- Release date
- 2022-06-25 03:30:30 UTC+0000
- UTC Start
- 2021-06-25 03:13:42.253
- UTC End
- 2021-06-25 03:19:02.253
- MJD Start
- 59390.13451682
- MJD End
- 59390.1382205237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005514
- Ambient temperature (°C)
- 10.74
- Seeing (arcsec)
- 0.525
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 | 56.5470 | 56.5540 | 19.0000 | 19.7000 |
| U1-U3 | 102.3180 | 102.3590 | 25.1000 | 25.9000 |
| U1-U4 | 128.6190 | 128.9560 | 52.6120 | 53.4240 |
| U2-U3 | 46.4930 | 46.5340 | 32.6000 | 33.4000 |
| U2-U4 | 87.3610 | 87.7460 | 73.6320 | 74.4030 |
| U3-U4 | 60.5420 | 60.8570 | 103.9040 | 104.5280 |
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 | 59390.13451682 |
| 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 | 56.547 |
| HIERARCH ESO ISS PBL12 END | 56.554 |
| HIERARCH ESO ISS PBLA12 START | 19.0 |
| HIERARCH ESO ISS PBLA12 END | 19.7 |
| HIERARCH ESO ISS PBL13 START | 102.318 |
| HIERARCH ESO ISS PBL13 END | 102.359 |
| HIERARCH ESO ISS PBLA13 START | 25.1 |
| HIERARCH ESO ISS PBLA13 END | 25.9 |
| HIERARCH ESO ISS PBL14 START | 128.619 |
| HIERARCH ESO ISS PBL14 END | 128.956 |
| HIERARCH ESO ISS PBLA14 START | 52.612 |
| HIERARCH ESO ISS PBLA14 END | 53.424 |
| HIERARCH ESO ISS PBL23 START | 46.493 |
| HIERARCH ESO ISS PBL23 END | 46.534 |
| HIERARCH ESO ISS PBLA23 START | 32.6 |
| HIERARCH ESO ISS PBLA23 END | 33.4 |
| HIERARCH ESO ISS PBL24 START | 87.361 |
| HIERARCH ESO ISS PBL24 END | 87.746 |
| HIERARCH ESO ISS PBLA24 START | 73.632 |
| HIERARCH ESO ISS PBLA24 END | 74.403 |
| HIERARCH ESO ISS PBL34 START | 60.542 |
| HIERARCH ESO ISS PBL34 END | 60.857 |
| HIERARCH ESO ISS PBLA34 START | 103.904 |
| HIERARCH ESO ISS PBLA34 END | 104.528 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005109 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005919 |
| HIERARCH ESO ISS AMBI TEMP | 10.74 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |