Exposure
- ID
- GRAVI.2024-05-30T06:19:51.094_2
- Header ID
- GRAVI.2024-05-30T06:19:51.094
- Date updated
- 2024-05-30 06:35:27 UTC+0000
- Release date
- 2025-05-30 06:35:27 UTC+0000
- UTC Start
- 2024-05-30 06:19:51.094
- UTC End
- 2024-05-30 06:25:51.094
- MJD Start
- 60460.26378581
- MJD End
- 60460.2679524767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0046455
- Ambient temperature (°C)
- 15.96
- Seeing (arcsec)
- 0.495
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 | 56.2120 | 56.1330 | 28.6000 | 29.2000 |
| U1-U3 | 101.7510 | 101.5720 | 35.0000 | 35.6000 |
| U1-U4 | 129.2940 | 128.9200 | 63.2180 | 63.9160 |
| U2-U3 | 46.3090 | 46.2090 | 42.7000 | 43.4000 |
| U2-U4 | 88.9580 | 88.7060 | 84.2530 | 85.0170 |
| U3-U4 | 62.3670 | 62.2700 | 113.7410 | 114.5600 |
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 | 60460.26378581 |
| 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 | 56.212 |
| HIERARCH ESO ISS PBL12 END | 56.133 |
| HIERARCH ESO ISS PBLA12 START | 28.6 |
| HIERARCH ESO ISS PBLA12 END | 29.2 |
| HIERARCH ESO ISS PBL13 START | 101.751 |
| HIERARCH ESO ISS PBL13 END | 101.572 |
| HIERARCH ESO ISS PBLA13 START | 35.0 |
| HIERARCH ESO ISS PBLA13 END | 35.6 |
| HIERARCH ESO ISS PBL14 START | 129.294 |
| HIERARCH ESO ISS PBL14 END | 128.92 |
| HIERARCH ESO ISS PBLA14 START | 63.218 |
| HIERARCH ESO ISS PBLA14 END | 63.916 |
| HIERARCH ESO ISS PBL23 START | 46.309 |
| HIERARCH ESO ISS PBL23 END | 46.209 |
| HIERARCH ESO ISS PBLA23 START | 42.7 |
| HIERARCH ESO ISS PBLA23 END | 43.4 |
| HIERARCH ESO ISS PBL24 START | 88.958 |
| HIERARCH ESO ISS PBL24 END | 88.706 |
| HIERARCH ESO ISS PBLA24 START | 84.253 |
| HIERARCH ESO ISS PBLA24 END | 85.017 |
| HIERARCH ESO ISS PBL34 START | 62.367 |
| HIERARCH ESO ISS PBL34 END | 62.27 |
| HIERARCH ESO ISS PBLA34 START | 113.741 |
| HIERARCH ESO ISS PBLA34 END | 114.56 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005482 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003809 |
| HIERARCH ESO ISS AMBI TEMP | 15.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0430 |
| HIERARCH ESO FT ROBJ DELTA | -290027.0799 |