Exposure
- ID
- GRAVI.2021-05-31T07:48:47.239_2
- Header ID
- GRAVI.2021-05-31T07:48:47.239
- Date updated
- 2021-05-31 08:05:24 UTC+0000
- Release date
- 2022-05-31 08:05:24 UTC+0000
- UTC Start
- 2021-05-31 07:48:47.239
- UTC End
- 2021-05-31 07:54:07.239
- MJD Start
- 59365.32554675
- MJD End
- 59365.3292504537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00315
- Ambient temperature (°C)
- 10.11
- Seeing (arcsec)
- 0.81
Observation
- ID
- 47463
- Category
- science
- Program ID
- 105.20B2.002
- 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 | 54.0190 | 53.7980 | 36.3000 | 36.7000 |
| U1-U3 | 96.6690 | 96.1560 | 42.6000 | 43.0000 |
| U1-U4 | 117.5670 | 116.3780 | 72.2710 | 72.7800 |
| U2-U3 | 43.3850 | 43.0900 | 50.5000 | 50.9000 |
| U2-U4 | 80.3750 | 79.5060 | 95.5200 | 96.2770 |
| U3-U4 | 58.4360 | 58.0470 | 127.2110 | 128.2000 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59365.32554675 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| DEC | -29.00714 |
| 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 | 54.019 |
| HIERARCH ESO ISS PBL12 END | 53.798 |
| HIERARCH ESO ISS PBLA12 START | 36.3 |
| HIERARCH ESO ISS PBLA12 END | 36.7 |
| HIERARCH ESO ISS PBL13 START | 96.669 |
| HIERARCH ESO ISS PBL13 END | 96.156 |
| HIERARCH ESO ISS PBLA13 START | 42.6 |
| HIERARCH ESO ISS PBLA13 END | 43.0 |
| HIERARCH ESO ISS PBL14 START | 117.567 |
| HIERARCH ESO ISS PBL14 END | 116.378 |
| HIERARCH ESO ISS PBLA14 START | 72.271 |
| HIERARCH ESO ISS PBLA14 END | 72.78 |
| HIERARCH ESO ISS PBL23 START | 43.385 |
| HIERARCH ESO ISS PBL23 END | 43.09 |
| HIERARCH ESO ISS PBLA23 START | 50.5 |
| HIERARCH ESO ISS PBLA23 END | 50.9 |
| HIERARCH ESO ISS PBL24 START | 80.375 |
| HIERARCH ESO ISS PBL24 END | 79.506 |
| HIERARCH ESO ISS PBLA24 START | 95.52 |
| HIERARCH ESO ISS PBLA24 END | 96.277 |
| HIERARCH ESO ISS PBL34 START | 58.436 |
| HIERARCH ESO ISS PBL34 END | 58.047 |
| HIERARCH ESO ISS PBLA34 START | 127.211 |
| HIERARCH ESO ISS PBLA34 END | 128.2 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00365 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00265 |
| HIERARCH ESO ISS AMBI TEMP | 10.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.75 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |