Exposure
- ID
- GRAVI.2021-06-26T02:54:22.874_2
- Header ID
- GRAVI.2021-06-26T02:54:22.874
- Date updated
- 2021-06-26 03:10:35 UTC+0000
- Release date
- 2022-06-26 03:10:35 UTC+0000
- UTC Start
- 2021-06-26 02:54:22.874
- UTC End
- 2021-06-26 02:59:42.874
- MJD Start
- 59391.12109808
- MJD End
- 59391.1248017837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004401
- Ambient temperature (°C)
- 9.34
- 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 | 56.5170 | 56.5300 | 17.0000 | 17.7000 |
| U1-U3 | 102.1710 | 102.2310 | 23.1000 | 23.8000 |
| U1-U4 | 127.5480 | 127.9740 | 50.3550 | 51.2080 |
| U2-U3 | 46.3560 | 46.4110 | 30.5000 | 31.3000 |
| U2-U4 | 86.1490 | 86.6310 | 71.5050 | 72.3060 |
| U3-U4 | 59.5590 | 59.9490 | 102.2470 | 102.8610 |
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 | 59391.12109808 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416733 |
| DEC | -29.00724 |
| 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 | 56.517 |
| HIERARCH ESO ISS PBL12 END | 56.53 |
| HIERARCH ESO ISS PBLA12 START | 17.0 |
| HIERARCH ESO ISS PBLA12 END | 17.7 |
| HIERARCH ESO ISS PBL13 START | 102.171 |
| HIERARCH ESO ISS PBL13 END | 102.231 |
| HIERARCH ESO ISS PBLA13 START | 23.1 |
| HIERARCH ESO ISS PBLA13 END | 23.8 |
| HIERARCH ESO ISS PBL14 START | 127.548 |
| HIERARCH ESO ISS PBL14 END | 127.974 |
| HIERARCH ESO ISS PBLA14 START | 50.355 |
| HIERARCH ESO ISS PBLA14 END | 51.208 |
| HIERARCH ESO ISS PBL23 START | 46.356 |
| HIERARCH ESO ISS PBL23 END | 46.411 |
| HIERARCH ESO ISS PBLA23 START | 30.5 |
| HIERARCH ESO ISS PBLA23 END | 31.3 |
| HIERARCH ESO ISS PBL24 START | 86.149 |
| HIERARCH ESO ISS PBL24 END | 86.631 |
| HIERARCH ESO ISS PBLA24 START | 71.505 |
| HIERARCH ESO ISS PBLA24 END | 72.306 |
| HIERARCH ESO ISS PBL34 START | 59.559 |
| HIERARCH ESO ISS PBL34 END | 59.949 |
| HIERARCH ESO ISS PBLA34 START | 102.247 |
| HIERARCH ESO ISS PBLA34 END | 102.861 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004372 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00443 |
| HIERARCH ESO ISS AMBI TEMP | 9.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |