Exposure
- ID
- GRAVI.2021-05-31T05:09:13.837_2
- Header ID
- GRAVI.2021-05-31T05:09:13.837
- Date updated
- 2021-05-31 05:25:29 UTC+0000
- Release date
- 2022-05-31 05:25:29 UTC+0000
- UTC Start
- 2021-05-31 05:09:13.837
- UTC End
- 2021-05-31 05:14:33.837
- MJD Start
- 59365.21474348
- MJD End
- 59365.2184471837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0043115
- Ambient temperature (°C)
- 10.28
- Seeing (arcsec)
- 0.66
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 | 56.5590 | 56.5570 | 21.1000 | 21.8000 |
| U1-U3 | 102.4170 | 102.4310 | 27.3000 | 28.0000 |
| U1-U4 | 129.5160 | 129.7360 | 54.9970 | 55.7570 |
| U2-U3 | 46.5980 | 46.6190 | 34.9000 | 35.6000 |
| U2-U4 | 88.3990 | 88.6660 | 75.9100 | 76.6450 |
| U3-U4 | 61.4000 | 61.6280 | 105.7840 | 106.4160 |
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 | 59365.21474348 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.557 |
| HIERARCH ESO ISS PBLA12 START | 21.1 |
| HIERARCH ESO ISS PBLA12 END | 21.8 |
| HIERARCH ESO ISS PBL13 START | 102.417 |
| HIERARCH ESO ISS PBL13 END | 102.431 |
| HIERARCH ESO ISS PBLA13 START | 27.3 |
| HIERARCH ESO ISS PBLA13 END | 28.0 |
| HIERARCH ESO ISS PBL14 START | 129.516 |
| HIERARCH ESO ISS PBL14 END | 129.736 |
| HIERARCH ESO ISS PBLA14 START | 54.997 |
| HIERARCH ESO ISS PBLA14 END | 55.757 |
| HIERARCH ESO ISS PBL23 START | 46.598 |
| HIERARCH ESO ISS PBL23 END | 46.619 |
| HIERARCH ESO ISS PBLA23 START | 34.9 |
| HIERARCH ESO ISS PBLA23 END | 35.6 |
| HIERARCH ESO ISS PBL24 START | 88.399 |
| HIERARCH ESO ISS PBL24 END | 88.666 |
| HIERARCH ESO ISS PBLA24 START | 75.91 |
| HIERARCH ESO ISS PBLA24 END | 76.645 |
| HIERARCH ESO ISS PBL34 START | 61.4 |
| HIERARCH ESO ISS PBL34 END | 61.628 |
| HIERARCH ESO ISS PBLA34 START | 105.784 |
| HIERARCH ESO ISS PBLA34 END | 106.416 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003987 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004636 |
| HIERARCH ESO ISS AMBI TEMP | 10.28 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |