Exposure
- ID
- GRAVI.2024-05-30T07:26:27.263_2
- Header ID
- GRAVI.2024-05-30T07:26:27.263
- Date updated
- 2024-05-30 07:40:35 UTC+0000
- Release date
- 2025-05-30 07:40:35 UTC+0000
- UTC Start
- 2024-05-30 07:26:27.263
- UTC End
- 2024-05-30 07:32:27.263
- MJD Start
- 60460.31003777
- MJD End
- 60460.3142044367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002955
- Ambient temperature (°C)
- 15.77
- Seeing (arcsec)
- 0.44
Observation
- ID
- 59446
- Category
- science
- Program ID
- 113.268P.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 44071
- Name
- IRS16NW
- RA
- 266.416845833333
- DEC
- -29.0075221944444
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 | 54.8750 | 54.6780 | 34.5000 | 35.0000 |
| U1-U3 | 98.6530 | 98.1940 | 40.8000 | 41.3000 |
| U1-U4 | 122.2010 | 121.1260 | 69.9460 | 70.5480 |
| U2-U3 | 44.5300 | 44.2640 | 48.7000 | 49.2000 |
| U2-U4 | 83.7870 | 82.9930 | 92.2750 | 93.0840 |
| U3-U4 | 60.0030 | 59.6340 | 123.0630 | 124.0800 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60460.31003777 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416893 |
| DEC | -29.00732 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 54.875 |
| HIERARCH ESO ISS PBL12 END | 54.678 |
| HIERARCH ESO ISS PBLA12 START | 34.5 |
| HIERARCH ESO ISS PBLA12 END | 35.0 |
| HIERARCH ESO ISS PBL13 START | 98.653 |
| HIERARCH ESO ISS PBL13 END | 98.194 |
| HIERARCH ESO ISS PBLA13 START | 40.8 |
| HIERARCH ESO ISS PBLA13 END | 41.3 |
| HIERARCH ESO ISS PBL14 START | 122.201 |
| HIERARCH ESO ISS PBL14 END | 121.126 |
| HIERARCH ESO ISS PBLA14 START | 69.946 |
| HIERARCH ESO ISS PBLA14 END | 70.548 |
| HIERARCH ESO ISS PBL23 START | 44.53 |
| HIERARCH ESO ISS PBL23 END | 44.264 |
| HIERARCH ESO ISS PBLA23 START | 48.7 |
| HIERARCH ESO ISS PBLA23 END | 49.2 |
| HIERARCH ESO ISS PBL24 START | 83.787 |
| HIERARCH ESO ISS PBL24 END | 82.993 |
| HIERARCH ESO ISS PBLA24 START | 92.275 |
| HIERARCH ESO ISS PBLA24 END | 93.084 |
| HIERARCH ESO ISS PBL34 START | 60.003 |
| HIERARCH ESO ISS PBL34 END | 59.634 |
| HIERARCH ESO ISS PBLA34 START | 123.063 |
| HIERARCH ESO ISS PBLA34 END | 124.08 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002572 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003338 |
| HIERARCH ESO ISS AMBI TEMP | 15.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0430 |
| HIERARCH ESO FT ROBJ DELTA | -290027.0799 |